Guitarist/composer Bill Horvitz shares his new CD, “The Long Walk,” dedicated to his late brother, Philip, and previews his Expanded Band‘s weekend concerts at Duende in Oakland and the Glaser Center in Santa Rosa. Alison Faith Levy (the Sippy Cups, McCabe & Mrs. Miller) performs live in the studio with a full band–music from her new “World of Wonder” CD–previewing her Sunday afternoon show at Ashkenaz in Berkeley. Derk Richardson hosts.