Alpha Data (formerly, but commonly known as BuzzAngle Music)^[1] is a music analytics firm which provides statistics for the music industry, including record sales and music streaming.^[2] BuzzAngle partnered with Rolling Stone to provide information for the magazine's music charts.^[3]

BuzzAngle was founded in 2013 by Border City Media.^[4] It uses big data collected from platforms used by people to listen to music. The website shows total music consumption including album sales, song sales, streaming history, and social media analytics.^[4] The data it collects comes from retailers, record stores, radio stations, and music venues. In 2018, BuzzAngle received an investment from Penske Media Corporation, the parent company of Rolling Stone.^[5] The following year it announced its partnership with Rolling Stone to provide data for the magazine's music charts.^[6]