Pink Mammoth’s Zach Walker hits the decks for ‘Summer of Love’ block party [Exclusive Mix] Pink Mammoth leader Zach Walker prepares a grooving mix in honor of his joint venture with House of Yes, 'Summer of Love.' Related Posts: Justice surprise NYC, headline Frank Ocean’s debut PrEP+ event and preview new collaboration KSHMR announces debut of new live orchestral show in U.S. this summer