They look like a bluegrass string quintet wearing hawaiian shirts. Indeed, it's a fitting look. The music is difficult to describe with elements of folk rock, country, and bluegrass blended with just about enything.
These are photos from concerts where austin lounge lizards played, so they may be of other bands that played the concert as well.
Hardly Strictly Bluegrass 2009 Oct 2 - 4, 2009 San Francisco, California, United States Uploaded by Lilmikesf