Free Lead Sheet – Old MacDonald Had a Farm Free Sheet Music for Old MacDonald Had a Farm in 7 different keys!. Enjoy! Old MacDonald Had a Farm - G Major (Popular Key)(pdf) Old MacDonald Had a Farm - A Major (pdf) Old MacDonald Had a Farm - Bb Major (pdf) Old MacDonald Had a Farm - C Major (pdf) Old MacDonald Had a Farm - D Major (pdf) Old MacDonald Had a Farm - Eb Major (pdf) Old MacDonald Had a Farm - F Major (pdf) Other Resources More Lead Sheets Michael Kravchuk