For more than 10 years Modest Mouse has been creating genre-blending, folk-tinged indie-rock that has brought them legions of diehard fans, but in 2004, with the help of their single "Float On,"the band has gone from cult-following to MTV-staple. After 20-plus years and an equal number of albums, EPs and singles, lo-fi indie-rock innovators Guided by Voices are calling it quits. AUSTIN CITY LIMITS captures the band during their final tour, performing songs from their CD, Half Smiles of the Decomposed.