Petaluma quartet Los Gu'achis plays the music of Mexico and early California from 6 to 7:30 p.m. Thursday, June 19 at Velasco's Mexican Restaurant, 190 Kentucky St.

Members of the group include Barbara Arhon (violin), Steve Della Maggiora (accordion and lead guitar), Chris Samson (rhythm guitar) and Tracy Grisman (bass).

There is no cover charge.

For more information, visit www.losguachis.com.