UNKNOWN MORTAL ORCHESTRA
THURSDAY 9/25. The Hall. 8 p.m. $27-$50.
For the uninitiated, Unknown Mortal Orchestra ’s NPR Tiny Desk Concert is a perfect introduction to the New Zealand-born, Portland-based band, not least because it strips away the band’s proclivity for arthouse animated music videos in favor of letting the viewer actually watch them do the damn thing. That damn thing, as it turns out, is coaxing a mesmerizing and unexpected sound from the most expected of instruments — bass, guitar, keys, drums, vocals. Already a family affair (frontman Ruban Nielson is joined in the band by his brother, Kody Nielson, on drums); the boys’ father, Chris Nielson, an accomplished jazz saxophonist in his own right, sits in for the session, pulling the band’s Lennon-esque sound even further i