Bird Song is part one of Mannheim Steamroller's three part Ambience collection (followed by Summer Song & Autumn Song).

It was released in 2001 on CD & DVD[1] by American Gramaphone and features eight bird song tracks.

The Ambience collection is a series of natural recordings with musical elements composed by Chip Davis, who also recorded the nature sounds & produced the album.

Brian Ackley & Dave Cwirko mastered, mixed & edited it.

Source:[2] All tracks are written by Chip Davis.