Music by Kevin MacLeod (original composer: unknown). Released into the public domain (CC Zero). Download link: http://freepd.com/Unclassified/Old%20MacDonald

MacLeod's description:

Genre: Contemporary
Length: 3:10
Instruments: Guitar, Bass, Kit, Synths
Tempo: 92

Electro-Acoustic version of the popular children's song.
ISRC: US-UAN-11-00816
Bouncy, Bright, Humorous, Uplifting 2011