Channy Casselle of Poliça performs for Flood Fest at Cedar Street Courtyard at the  2016 SXSW Music, Film + Interactive Festival  in Austin, Texas. Photograph: Brian Feinzimer/Getty Images

Channy Leaneagh never dreamed of fronting a band of any kind, so it still feels pretty strange each time she takes to the stage. “I’ve always sort of(...)