Sights & Sounds is your weekly guide to the Bay Area arts scene through the eyes and ears of local artists. This week, guest host Truc Nguyen sits down with musician and choreographer Carina Ho, also known as Onikho, to talk about three arts events happening this weekend in the Bay. Tango dancing at Ashkenaz in Berkeley, Thursday night at 9 p.m. Aretha Franklin’s Amazing Grace film screening at BAMPFA on Friday at 4 p.m. House classical music show with Group Muse in Oakland on Saturday at