Pittsburgh math rockers Don Caballero were one of the first bands to expand on the work of genre innovators like Bastro, Bitch Magnet, and (especially) Slint. Their music was entirely instrumental, and while their guitar interplay was as complex and dissonant as any of their peers, the real driving force behind their precisely calibrated attack was virtuosic drummer Damon Che. In essence, it was Che's manic explosions and stop-on-a-dime shifts in time signature that mapped out the trail his bandmates followed. His whirlwind of percussion helped pace the crashing din of the res...