Equally comfortable chatting about music with Sam Cooke or bantering with Ed McMahon on “TV’s Bloopers and Practical Jokes,” Clark was listed among the Forbes 400 of wealthiest Americans. Clark, who died of a heart attack Wednesday at a Santa Monica hospital, also was part of radio as partner in the United Stations Radio Network, which provided programs — including Clark’s — to thousands of stations.

“There’s hardly any segment of the population that doesn’t see what I do,” Clark told The Associated Press in a 1985 interview. “It can be embarrassing. People come up to me and say, ‘I love your show,’ and I have no idea which one they’re talking about.”

One of his later TV projects, “American Dreams,” served as a fitting weekly tribute to Clark’s impact. Airing from 2002 to 2005, this NBC drama centered on a Philadelphia family in the early 1960s and, in particular, on 15-year-old Meg, who, through a quirk of fate, found her way onto the set of Clark’s teen dance show, “American Bandstand.”

The nostalgic “American Dreams” depicted a musical revolution, which Clark so reassuringly helped usher in against the backdrop of a nation in turmoil. While never a hit, the series was embraced by older viewers as a warm souvenir of the era that spawned Clark, and as an affectionate history lesson for their children and grandchildren.

President Barack Obama noted the nostalgia. “More important than his groundbreaking achievements was the way he made us feel — as young and vibrant and optimistic as he was,” Obama said in a statement.

Clark bridged the rebellious new music scene and traditional show business. He defended pop artists and artistic freedom, the Rock and Roll Hall of Fame said in an online biography of the 1993 inductee. He helped give black artists their due by playing original R&B recordings instead of cover versions by white performers, and he condemned censorship.

He joined “American Bandstand” in 1956 after Bob Horn, who’d been the host since its 1952 debut, was fired. A year later, Clark integrated the show with black dancers.

“It still wasn’t acceptable for them to dance with white kids, so the blacks just danced with each other. We were waiting for the explosion, but it never happened,” Clark told Pennsylvania Heritage Magazine in 1998. “The wonderful part about our decision to integrate then was that there were no repercussions, no reverberations, no battles at all — it just happened right there on a television screen in front of millions of people.”

Under Clark’s guidance, “Bandstand” went from a local Philadelphia show to a national phenomenon, introducing stars from Buddy Holly to Madonna. It was one of network TV’s longest-running series as part of ABC’s daytime lineup from 1957 to 1987.

“I played records, the kids danced, and America watched,” was how Clark once described the series’ simplicity. In his 1958 hit “Sweet Little Sixteen,” Chuck Berry sang that “they’ll be rocking on Bandstand, Philadelphia, P-A.”

As a host, Clark had the smooth delivery of a seasoned radio announcer. As a producer, he had an ear for a hit record. He also knew how to make wary adults welcome this odd new breed of music in their homes.

Clark endured accusations that he was in with the squares, with critic Lester Bangs defining Bandstand as “a leggily acceptable euphemism of the teenage experience.” In the 1985 interview, Clark acknowledged the complaints. “But I knew at the time that if we didn’t make the presentation to the older generation palatable, it could kill it.

“So along with Little Richard and Chuck Berry and the Platters and the Crows and the Jayhawks … the boys wore coats and ties and the girls combed their hair and they all looked like sweet little kids into a high school dance,” he said.

Clark suffered a stroke in 2004 that affected his ability to speak and walk. That year, he missed his annual appearance on “Dick Clark’s New Year’s Rockin’ Eve.”

He returned the following year and, although his speech at times was difficult to understand, many praised his bravery, including other stroke victims.

“I’m just thankful I’m still able to enjoy this once-a-year treat,” he told The Associated Press by email in December 2008 as another New Year’s Eve approached.

Ryan Seacrest, who subsequently took over main hosting duties on the countdown show from Clark, said in a statement Wednesday that he was “deeply saddened.”

“I idolized him from the start,” Seacrest said. “He was a remarkable host and businessman and left a rich legacy to television audiences around the world.”

Record executive Clive Davis called Clark “a true pioneer who revolutionized the way we listened to and consumed music. For me he ranks right up there with the giants of our business.”

Friends on Wednesday recalled a patient, encouraging man. “He was there for every crisis of my life and there were many,” Connie Francis said in statement. “Without Dick Clark there would have been no career because I was ready to abandon it. Dick was the most principled man I ever met in this business and treated everyone the same way, even if you were the little guy.”

Said Pat Boone: “Careers grew because of Dick Clark.”

Clark was honored at the Emmy Awards in 2006, telling the crowd: “I have accomplished my childhood dream, to be in show business. Everybody should be so lucky to have their dreams come true. I’ve been truly blessed.”

He was born Richard Wagstaff Clark in Mount Vernon, N.Y., in 1929. His father, Richard Augustus Clark, was a sales manager who worked in radio.

Clark idolized his athletic older brother, Bradley, who was killed in World War II. In his 1976 autobiography, “Rock, Roll & Remember,” Clark recalled how radio helped ease his loneliness and turned him into a fan of Steve Allen, Arthur Godfrey and other popular hosts.

From Godfrey, he said, he learned that “a radio announcer does not talk to ‘those of you out there in radio land’; a radio announcer talks to me as an individual.”

Clark began his career in the mailroom of a Utica, N.Y., radio station in 1945. By age 26, he was a broadcasting veteran, with nine years’ experience on radio and TV stations in Syracuse and Utica, N.Y., and Philadelphia. He held a bachelor’s degree from Syracuse University. While in Philadelphia, Clark befriended McMahon, who later credited Clark for introducing him to his future “Tonight Show” boss, Johnny Carson.

In the 1960s, “American Bandstand” moved from black-and-white to color, from weekday broadcasts to once-a-week Saturday shows, and from Philadelphia to Los Angeles. Although its influence started to ebb, it still featured some of the biggest stars of each decade, whether Janis Joplin, the Jackson 5, Talking Heads or Prince. But Clark never did book two of rock’s iconic groups, the Beatles and the Rolling Stones. Elvis Presley also never performed, although Clark managed an on-air telephone interview while Presley was in the Army.

The show’s status as an American cultural institution was solidified when Clark donated Bandstand’s original podium and backdrop to the Smithsonian Institution.

When Michael Jackson died in June 2009, Clark recalled working with him since he was a child, adding, “Of all the thousands of entertainers I have worked with, Michael was THE most outstanding. Many have tried and will try to copy him, but his talent will never be matched.”

Clark kept more than records spinning with his Dick Clark Productions. Its credits included the Academy of Country Music and Golden Globe awards; TV movies including the Emmy-winning “The Woman Who Willed a Miracle” (1984), the “$25,000 Pyramid” game show and the 1985 film “Remo Williams: The Adventure Begins.” Clark himself made a cameo on “The Fresh Prince of Bel-Air” and a dramatic appearance as a witness on the original “Perry Mason.”

In 1974, at ABC’s request, Clark created the American Music Awards after the network lost the broadcast rights to the Grammy Awards.

He was also an author, with “Dick Clark’s American Bandstand” and such self-help books as “Dick Clark’s Program for Success in Your Business and Personal Life” and “Looking Great, Staying Young.”

His unchanging looks inspired a joke in “Peggy Sue Got Married,” the 1986 comedy starring Kathleen Turner as an unhappy wife and mother transported back to 1960. Watching Clark on a black-and-white TV set, she shakes her head in amazement, “Look at that man, he never ages.”

Clark’s clean-cut image survived a music industry scandal. In 1960, during a congressional investigation of “payola,” or bribery in the record and radio industry, Clark was called on to testify.

He was cleared of any suspicions but was required by ABC to divest himself of record-company interests to avoid any appearance of a conflict of interest. The demand cost him $8 million, Clark once estimated. His holdings included partial ownership of Swan Records, which later released the first U.S. version of the Beatles’ smash “She Loves You.”

In 2004, Clark announced plans for a revamped version of “American Bandstand.” The show, produced with “American Idol” creator Simon Fuller, was to feature a host other than Clark.

He was diagnosed with type 2 diabetes in 1994 and served as spokesman for the American Association of Diabetes Educators.

Clark, twice divorced, had a son, Richard Augustus II, with first wife Barbara Mallery and two children, Duane and Cindy, with second wife Loretta Martin. He married Kari Wigton in 1977.

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AP National Writers Frazier Moore, David Bauder and Hillel Italie contributed to this report.

“Truth be told,” he joked, “I was developing an idea for a new show, where viewers could tune in every morning and see someone they know lose a little more of his hair every single day right in front of their eyes. But then I thought, I could just stay here and do that.”

Although “Today” is on a historic winning streak in the ratings, “Good Morning America” has been gaining ground.

Lauer’s decision provides important stability for “Today” and puts to rest suggestions that he might reunite with his former co-host Katie Couric on the syndicated show she’s launching this fall.

Lauer said last May that he had discussed joining with Couric on a new venture. But he predicted then that he would be staying at “Today” for “a long time.”

“Given how strong the ‘Today’ show has been, I don’t think the outcome was ever in doubt,” said industry analyst Larry Gerbrandt of Los Angeles-based Media Valuation Partners.

Lauer has been a fixture with the show since 1994 and began his run as co-anchor in January 1997. He has created a popular “Today” catchphrase with his globe-hopping “Where in the world is Matt Lauer?” segments.

“Today” has remained No. 1 in the weekly ratings since 1995.

For broadcast networks, morning represents one of the most important parts of the day. The shows are hugely profitable at a time of declining TV viewership, and none has been more of a cash cow than “Today.”

A recent report said Lauer could end up with a $25 million deal, but NBC President Steve Capus dismissed the speculation as “complete silliness,” The New York Times said. NBC declined to provide further details Thursday on the contract.

The morning scene drew increased attention this week as the NBC and ABC programs featured dueling celebrity co-hosts: “Today” had Sarah Palin for a day, while Couric spent the week as substitute anchor at “GMA.”

Flagged in advance, Lauer’s announcement Friday was likely to also serve as a ratings stunt against his one-time colleague.

Palin, the former Alaska governor, helped “Today” maintain its winning streak against “GMA” on Tuesday, but Wednesday proved a cautionary tale for NBC. With Couric on board, “Good Morning America” was able to claim a one-day victory in viewership over “Today.”

About 5.24 million viewers watched “GMA,” while 5.15 million viewers tuned into “Today,” according to the Nielsen Co.

ABC’s advantage was the latest twist in a morning-show battle that has seen “GMA” chipping away at the ratings lead that “Today” has maintained every week for 16 years.

Overall last week, “GMA” shrank its gap behind “Today” to 119,000 viewers from 137,000 the previous week.

There had been some reports that “American Idol” host Ryan Seacrest could replace Lauer, and the two bantered about it Wednesday when Seacrest visited “Today” to announce he would take part in NBC’s coverage of the Summer Olympics.

“What kind of conversations have you had with NBC officials about joining the ‘Today’ show?” Lauer asked Seacrest during a lighthearted exchange.

“Oh,” said Seacrest, grinning, as off-camera laughter was heard from the crew. “They didn’t tell you?”

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“We have been working very closely with Facebook to really build a social voting app that takes advantage of every whiz-bang, bell and whistle that Facebook has built for timeline,” Zigler said.

Besides serving as a ballot box and a bridge between viewers, the “Voice” app will lead users to new content, including performance videos and blogs, NBC said.

In January, when Facebook unveiled about 60 new apps that let people share the smallest details of their lives on their profile, now known as their timeline, the company said it expected developers to create thousands more.

Dubbed “frictionless sharing” by Facebook, the apps allow a user’s activity to be automatically shared through Facebook — although people can limit who’s able to see this activity when they sign up for the apps.

Nearly 3,000 apps have been launched in two months for websites ranging from The Onion to Nike to foodie site Foodily, Facebook said.

Making use of a timeline app for voting is innovative, said Justin Osofksy, director of platform partnerships at Facebook.

“The Voice,” which features Christina Aguilera, Cee Lo Green, Adam Levine and Blake Shelton as coaches, has seen a sharp increase in viewership in its second season and is drawing the young adult viewers prized by advertisers.

It’s also gaining ground on TV’s top competition shows, Fox’s “American Idol” and ABC’s “Dancing With the Stars.” Those programs have seen their total viewership drop by double-digit percentages compared with last season, while “The Voice” is up by double digits.

In a measurement of viewers ages 18 to 49, “The Voice” was second only to Wednesday’s edition of “American Idol.”

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NBC is owned by Comcast Corp.

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