More US teens listen to music through YouTube than any other source

"More teens listen to music through YouTube than through any other source
64% of teens listen to music through YouTube
56% of teens listen to music on the radio
53% of teens listen to music through iTunes
50% of teens listen to music on CD"

Source:  Data from Nielsen, reported by Techcrunch, 14th August 2012

Note - lots of other music data in the report