American Top 40 With Ryan Seacrest Requests and Shoutouts 1-877-AT40 FAN. Top 40 Charts. Home, What's Hot, Charts, Artists, Interviews, @AmericanTop40, Contests and. The UK Top 40 chart is compiled by the Official Charts Company, based on sales of downloads, CDs, vinyl and audio streams. The Top 40 is broadcast on BBC Radio 1 and MTV. American Top 40 (commonly abbreviated to AT40) is an internationally syndicated, independent song countdown radio program created by Casey Kasem, Don Bustany, Tom. Top40-Charts.com provides music charts from all over the world, like US / UK Albums and Singles, Bilboard Chart, Dance charts and more. Read the latest music news on. Daily music news, charts, music downloads, and artist features for rock, pop, country, rhythm and blues, jazz, world, and hip-hop. Listen to top 40 tracks and watch videos of top 40 artists. Top top 40 artists: Ashlee Simpson, Jesse McCartney, Spotted Pinto Bean., The Pussycat Dolls, famous anus. See this week's No. 1 and the full Official UK Top 40 Singles Chart featuring Sam Smith, Justin Bieber and R. City. Expert guide to top 40 pop, the latest songs, new albums, charts, news, playlists, and reviews. It's the best in current and classic pop music. 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. Top 40 is a music industry shorthand for the currently most-popular songs in a particular genre. When used without qualification it refers to the best-selling or most.