Leeds's Singing Organ-Grinder provides great tunes and great doggerel for schools and for business and pleasure using a rather special street organ. The online shop sells (old) books, e-books, sheet music for brass band and trombone, MIDI arrangements for street organ, and kazoos. Also, hobbies, such as a Yorkshire Almanac. Book now for: your champagne moment / St. John's Eve / World Music Day.