Adult Alternative Airplay, also known as Triple A, is a record chart that ranks the most-played songs on American adult album alternative radio stations. Formulated based on each song's weekly total plays, the chart was introduced in the January 20, 1996 issue of Radio & Records magazine. Adult Alternative Songs, along with other Radio & Records airplay charts, was initially compiled using radio airplay data from Mediabase. In August 2006, Radio & Records was acquired by The Nielsen Company – then known as VNU Media – parent company of rival publication Billboard. Following the purchase, Nielsen Broadcast Data Systems replaced Mediabase in monitoring airplay for charts, beginning with the issue dated August 11, 2006. Billboard themselves introduced the chart in their July 5, 2008 issue, ap