You might enjoy these bands:
She Wants Revenge
Morningwood
Garbage

 

DJ Encore. Female voice, plenty of singing, good beats, some fast songs and some slow songs.

 

Some of the best and varried jazz you will ever hear - www.medeskimartinandwood.com - you can stream some of their music from the site and there is a great track from indivisible (video) . Seen'em live 3 times, they are mind blowing.

Also www.woodbrothers.com - The bassist and his brother from MMW playing some good ol'time accoustic blues/rock.

 

For some light vocal jazz try Eva Cassidy (Time After Time)

Joss Stone brings the bluesy soul (Mind, Body and Soul)

For quality songwriting Steve Poltz (One Left Shoe)

If you like Keb Moe, or Ray LaMontagne, you will love Ted Hawkins (The Next Hundred Years)

For something a little more upbeat, Great Big Sea (Rant and Roar)

If you don't have any Jack Johnson, you need some.