White Stripes: Jack White is a throwback musical genius.
http://www.youtube.com/watch?v=6j7huh5Egew
The Ramones: Simply for being true to themselves
http://www.youtube.com/watch?v=wMD7Ezp3gWc
The Beach Boys: Layered harmonies that inspired the Beatles and many others.
http://www.youtube.com/watch?v=TCeD_6Y3GQc
Personal Favorite:
Megadeth: Singular purpose driven metal with a socio-political undertone.
http://www.youtube.com/watch?v=6KDO_yCYcuU
http://www.youtube.com/watch?v=8Hb0sRSVjFs&feature=channel