CBS Interactive Music Group and partners reach 57 million1 worldwide users monthly.
Our network combines the digital music assets of the strongest brands in radio, over 450 streaming stations, groundbreaking mobile applications that have been downloaded almost 28 million times and Last.fm, the world’s leading music discovery site. Our partners include some of largest media brands online: Yahoo!, Xbox and VEVO, along with 600+ services that have integrated scrobbling.
Source
comScore (WW) September 2011- unduplicated audience for CBSIMG, MetroLyrics and ToneFuse Music (UK/DE)
