Guide Remembering Celeste Dupuy-Spencer, Yoko Ono’s first museum show in LA, Richard Mayhew’s “mindscapes,” Gordon Parks’s musical output, and more. Harry Fonseca, “Swan Dive Swan Lake Act II” (1984), acrylic on canvas with glitter (image courtesy the Harry Fonseca Trust and Babst Gallery) This month, Los Angeles is brimming with overdue retrospectives of influential artists and illuminating showcases of previously unseen work. A Richard Mayhew survey at Karma highlights the subversive elements beneath the bucolic surfaces of his abstract landscapes. The Broad presents Yoko Ono’s first solo museum show in Southern California, and a two-venue presentation of Magdalena Suarez Frimkess’s ceramics and drawings proves that the 96-year-old artist is still very much at the height of her creative powers.…