An acclaimed musician and expert on the genre of ragtime has filed a copyright complaint against a game developer and the gaming company Roblox for allegedly using one of his works in an interactive game without his permission.

Aaron Robinson, represented by Hatch Law of Los Angeles and Petruccelli, Martin & Haddow of Portland, Maine, filed the complaint on Sept. 16 in the U.S. District Court for the Northern District of California in San Francisco.