Steven Ellison’s legacy far predates his role in Kendrick Lamar’s 2015 landmark album, To Pimp a Butterfly. As Flying Lotus, his glitchy, abstract production has continually pushed hip-hop’s artistic boundaries. In 2006, Los Angeles set a new standard for L.A. beat music, while 2010’s Cosmograma transcended genre boundaries as a nu-jazz space odyssey.…