it's STILL traditional radio, and by a long shot... for discovery and influence.

NARM and NPD Unveil Results of Research on Consumers, Music Discovery

1) Traditional AM/FM radio 60%
2) TV Shows/Video/Channels NET 49%
3) Friends/family play for me 40%
4) Movies 29%
5) YouTube/VEVO 23%
6) Free online radio 22%

more here:
Tech Types Tackle TV-Music Tie-Ins at NARM | Billboard.biz