Given the almost institutional level of ADHD afflicting most music listeners these days, it takes a bold band to cater to that scattered attention span. Philly’s Dysrhythmia fold emo-core, prog-jazz and thrashing metal into an instrumental miasma that delivers its message on a purely musical level. Dysrhythmia’s three members — guitarist Kevin Hufnagel, bassist Colin Marston and drummer Jeff Eber — operate with almost supernatural intuition; the band’s success is clearly a product of the trio’s ability to create structured chaos. This amazing talent is woven deep into the fabric of the group’s latest album, Psychic Maps, a metal/jazz/prog/indie rock excursion that juxtaposes noise and melodicism, simplicity and complexity, and eccentricity and accessibility in ways that would make Robert Fripp smile. Prepare to be amazed. Keelhaul, Sikhara, Stats and Clan of the Cave Bear open at 9 p.m. at Now That’s Class (11213 Detroit Ave., 216.221.8576). Tickets: $5. — Brian Baker
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