Sales of physical and digital music increased 8.5% to 821 million units during the first-half of 2011 — the first increase since 2004, according to new data from Nielsen Soundscan.
Nielsen: Music Sales Up For the First Time Since 2004 | Home Media Magazine
Nielsen SoundScan: Album sales inching up | Media Maverick - CNET News
Nielsen: Music Sales Up For the First Time Since 2004 | Home Media Magazine
Nielsen SoundScan: Album sales inching up | Media Maverick - CNET News