I Don’t Know Where He Gets His Ideas Sheet music for piano and voice, titled “I don’t know where he gets his ideas”, appearing as two bifold folio sheets with a single sheet insert (10 pages total). The front cover features an illustration of Harry Randall gesturing to four artworks, one of which is on an easel. The composer’s stamp appears on the bottom right corner. The melody and four stanzas appear on the inside back cover. 1908