Combine Hollywood's hottest host with America's longest running weekend countdown and you've got a ratings explosion called American Top 40 with Ryan Seacrest. Every week, from the heart of the music business in Hollywood, Ryan counts down from Number 40 to the hottest hit song in America. Between the music, listeners take advantage of Ryan Seacrest's insider access to the superstars of music and entertainment, with news and gossip you'll hear nowhere else.