The Oalkand Public Conservatory of Music's "National Treasures Series" presents a master class and clinic 2 to 4 p.m. Saturday with the Latin giants of jazz trombonist Sam Burtis and pianist Sonny Bravo. 
 Open to all instrumentalists. Adults: $20-$50 (sliding scale)
Students (with ID):  $10
Youth up to 15: No Charge
Advance registration Options:
1. Bring or send  a check or money order to Oakland Public Conservatory of Music, 1616 Franklin St., Oakland, CA  94612.
2. Pay online at: www.BrownPaperTickets.com/event/318373.
They're cool over there. You want to play bad enough they'll make sure you get the chance. Only requirement is love of music.