American Top 40 (commonly abbreviated to AT40) is an internationally syndicated, independent song countdown radio program created by Casey Kasem, Don Bustany, Tom. Top 40 Music Hits - Top Songs August 2015. Top charts 2015. Radom Tags: Music, April, May, June, Juni, Flavor, Charts, musicflavorcharts, Charts 2015. This week's most popular songs across all genres, ranked by radio airplay audience impressions as measured by Nielsen Music, sales data as compiled by Nielsen Music. The Dutch Top 40 is a weekly music chart compiled by Stichting Nederlandse Top 40. It started as a radio program titled Veronica Top 40 , on the offshore station. The ultimate guide to hits from the UK Top 40 from the 1950s to the present day with a sophisticated searchable database, and amazing facts and figures. The online extension of Billboard magazine, is the essential online destination for the music business. Learn more Over 3100 classic airchecks. Updated Weekly For Over 18 Years. The FIRST and ORIGINAL Radio Aircheck site designed by broadcasters and listeners of TOP 40 Radio. Top hot pop songs 2015 - Pop Songs World 2015 - Billboard 40 Music Hits Chart Top hot pop songs 2015 - Pop Songs World 2015 - Billboard 40 Music Hits Chart. Top selling music releases based on retail reports. Your browser does not support HTML5 audio. TOP 40 - CLICK TO HEAR. TOP 40 - CLICK TO HEAR.