I'm usually pretty terrible at guessing this sort of thing, but I'd recognise all the bands on my list (apart from 3, 4, and maybe 11). Most of mine are pretty obvious I think.
1
http://www.ascap.com/musicbiz/images/harper.gif">
2
http://www.smh.com.au/ffxImage/urlpicture_id_1068013337078_2003/11/06/240hoods.jpg">
3
http://centralvillage.blogs.com/cv/images/dand2_1.jpg">
4
http://www.banffcentre.ca/events/playbill/2003/photos/waifs.jpg">
5
http://www.themoore.com/artists/images/RyanAdams.jpg">
6
http://www.filter-mag.com/images/175acnewman040812.jpg">
7
http://scenestars.net/interviews/img/Ben%20Lee.jpg">
8
http://carnetsdevoyage.blog.expedia.fr/images/medium_bob-marley.jpg">
9
http://www.exclaim.ca/images/up-points_mountain_goats.jpg">
10
http://www.comunicazioneinterna.it/thumb/1/air_band.jpg">
11
http://www.danielschmidtart.com/blog/Cake_band.jpg">
12
http://www.mutelibtech.com/mute/cave/badseedsl.jpg">
13
http://image.guardian.co.uk/sys-images/Guardian/Pix/arts/2005/08/25/sigur_ros3.jpg">
14
http://www.nndb.com/people/154/000026076/beck.jpg">
15
http://www.exclaim.ca/images/up-pov_lyrics_born.jpg">