An article in The Globe and Mail suggests that artists are trying to get their music played on TV shows as opposed to radio. http://www.theglobeandmail.com/news/arts/television/as-heard-on-tv/article1552911/
Think about it. How did you feel when you heard Snow Patrol running under an end montage of Grey's Anatomy? Did the visuals make you like the tune that much more? Did you quickly Google to find out what the song was? Then did you buy it from itunes....and download it to your ipod?
Are we constantly searching for new music? Do we need to be told how to feel about it?
Music is a like a photo album in our imagination. As soon as we hear a song, whether we liked it or not, it takes us to the place we were when we heard that tune a lot.
I think we do constantly search for music that is meaningful to us. And there are a number of great sources: among them, TV and radio.