sentences:  Coates then sang in Edwardian musical comedies in London and on tour in the United States.He also introduced Arthur Sullivan's song, "The Absent-Minded Beggar" at the Alhambra Theatre in 1899.In the later 1890s, Coates left the stage for a medical operation on his vocal cords and further study, and reappeared as a tenor in light opera in 1899-1900 at the Globe Theatre in London.