Sir Mix-a-Lot, Macklemore, Lil Mosey & Ishmael Butler. Collage by Jackie Lay / NPR. Sipa USA via AP / Kevork Djansezian / Bennett Raglin / Theo Wargo/Getty Images / AP hide caption
Sir Mix-A-Lot
Sir Mix-a-Lot in 2016, performing in Texas as part of the "(Baby Got) Back to the 90's" concert tour. Rick Kern/WireImage hide caption
Sir Mix-a-Lot performs onstage at VH1's 5th Annual Streamy Awards Sept. 17 in Los Angeles. Mark Davis/Getty Images hide caption
Sir Mix-a-Lot and the Seattle Symphony performed his hit "Baby Got Back" amid energetic audience participation Saturday night. YouTube hide caption