The early 1900s contributed lots of unusual novelty tunes in the ragtime design which was the popular musical trend of the time.
Art Nouveau lettering on the cover of sheet music for the 1911 song "The Skeleton Rag" (by Edward Madden and Percy Wenrich) is both the lettering motivation and namesake for Skeleton Rag JNL.
Font Family: Skeleton Rag JNL Regular