Symphony in Effect is the debut album of Canadian rapper Maestro Fresh-Wes, released in 1989 on Attic/LMR Records. In Canada, the album nearly went double platinum and remains one of the best-selling Canadian hip hop albums of all time. The first single "Let Your Backbone Slide" became the first hit single in Canadian hip hop history, appearing on Billboard's Hot Rap Singles chart. A second single, "Drop the Needle", was released in 1990.