A couple of bands I like (there are a lot more, but then I'd take over the thread with the whole list, so...)...
Sigur Ros:
[url="http://www.youtube.com/watch?v=bA4B7-d691M&feature=related"]Von[/url]
[url="http://www.youtube.com/watch?v=j2GjOC79gVI"]Olsen Olsen[/url]
[url="http://www.youtube.com/watch?v=0Rxlg25V0Kw&feature=related"]Se Lest[/url]
[url="http://www.youtube.com/watch?v=UBVKm3bDcVs&feature=related"]Saeglopur[/url]
[url="http://www.youtube.com/watch?v=KQDWlvh5gtU"]Gobbledigook[/url]
Flogging Molly:
[url="http://www.youtube.com/watch?v=ZcLpNP8jwRo"]Salty Dog[/url]
[url="http://www.youtube.com/watch?v=Gdlkx_cIqtE&feature=related"]Rebels of the Sacred Heart[/url]
[url="http://www.youtube.com/watch?v=TSwaVvF7rdU&feature=related"]Devil's Dance Floor[/url]
[url="http://www.youtube.com/watch?v=sDSud7vAH_0&feature=related"]The Worst Day Since Yesterday[/url] (on a very bad day)
[url="http://www.youtube.com/watch?v=1AOp9c5DRzc"]If I Ever Leave This World Alive[/url]