D.C.’s Squeeze Bayou doesn’t include any originals on its recent Soleil Couché. Nevertheless, the ensemble’s renditions of traditional Cajun two-steps and waltzes by the likes of Iry LeJeune and Dennis McGee demonstrate a facility for articulating the genre’s simple but exacting musical structures and techniques. The five-piece’s reverent sound is enlivened by the charismatic Cajun-French vocals of fiddler Karen Collins. Tonight’s show is the latest in a series of benefits to pay for the ongoing renovation of Glen Echo Park’s Spanish Ballroom. Dance workshop at 8 p.m., music at 9 p.m. at Glen Echo Park’s Spanish Ballroom, 7300 MacArthur Blvd., Glen Echo. $10. (301) 309-0895. (Steve Kiviat)