This week: Interviews with an organizer and an artist participant in the Eureka Street Art Festival, which includes visual and performing arts events the centerpiece of which is artists painting murals along Opera Alley, Old Town, Eureka, today through Saturday, Aug. 18. Daily events open to the public include mural tours at 5:30 p.m. and live performances. Find information on Facebook. Also on Artwaves, an interview with participants in the Trinidad Bay Art and Music Festival, which continues today and Sunday and next Friday-Sunday, Aug. 17-19 in Trinidad. Find information and tickets at tbamfest.com.