Though sometimes lumped in with the New Weird America/avant-folk crowd, the CHARALAMBIDES predates that scene by many years. The Austin, Texas, couple began recording in the early '90s, and issued several albums before gaining national exposure. The duo's music can be difficult stuff – it experiments with tonal extremes, from chanting to atonal rhythmic guitar. Scottish singer Alasdair Roberts headlines the Thurs., NOV. 29 show. $8. 9 p.m. The Earl, 488 Flat Shoals Road. 404-522-3950. www.badearl.com.