This clarinet sheet music for Mary Had a Little Lamb is written in the key of C (concert B flat). Select the image of the song below for a free, printable PDF of the melody. This arrangement of the song is entirely in the lower register, making it easy for beginners. The page for Mary Had a Little Lamb for band has arrangements for all woodwind and brass instruments so you can play with full concert band or a smaller ensemble. If you would like to play the song in a different key, play along with string instruments, see the chords for the song, or learn about the history of the song, visit the main Mary Had a Little Lamb lead sheet page.