The links on this page contain lists of songs that have reached number-one on the Billboard adult contemporary chart. This chart was first printed in Billboard magazine in and lists the most popular songs as determined by airplay on American adult contemporary music radio stations. Charts; Opening the iTunes Store. If iTunes doesn't open, click the iTunes application icon in your Dock or on your Windows desktop. View Adult Contemporary in. Hot, Modern, AC - Adult Contemporary Music. Check out the all the new releases from your favorite alternative rock, soft rock, and pop music recording artists. See what bands are moving up the charts on a daily basis and which are moving down based on the most recent radio station reporting.