The best source for Midwestern math-ish indie/instrumental/emo rock, Polyvinyl has put together a damn fine (and balanced) sampler for those uninitiated.
The biggest, brightest, and not-so-bright names in independent music, offering multitudes of subgenres to chose from. Most songs are previously released.
Yellowcard, although sentimentally-heavy and eager to dish out sugary breakdowns, take their cues from the real deal: Whippersnapper, No Use For A Name, etc.
Their previous two records on Revelation redefined “repetitive,” Unstoppable packs enough straight-up punk rock good times to make it worth casually playing.
Waterdown combines the brawn of Deftones, the melodies of Grade, and the fierceness of loud rock in what could be the best new band in the hardcore underground.