at 2007 SE Powell Blvd. presents Celtic Community Night, a recent addition to Cafe Artichoke’s monthly performances – a format with a feature performance followed by an open traditional music and dance session. Wednesday August 15, Seán Williams, Brian O’hAirt, Michael Steen and David Ingerson perform at 7 pm. Tickets are $5 to $20, sliding scale, available at tinyurl.com/y8xml6n3 or at the door. Registration for Artichoke School of Music’s fall term begins on August 20. Classes include stringed instrument, singing, songwriting and rhythm instruction, and begin the week of September 10. Register at artichokemusic.org/classes/catalog.php. Café Artichoke will be mostly dark during August for their traditional hiatus. Open mics and concerts resume in September.