Mayer Hawthorne ends his two-month long US Tour on April 15th in San Francisco. To commemorate the occasion, Stones Throw has teamed up with local powerhouse Huf and designer Freegums on an exclusive Mayer Hawthorne collabo pack featuring a T-Shirt + Heart-Shaped USB with Mayer Hawthornes rendition of Tony Bennets classic I Left My Heart In San Francisco pre-loaded onto each USB.