Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100635

MacLeod's description:

Genre: Soundtrack
Length: 1:04
Instruments: Piano, Bass Clarinet
Tempo: 75

Quirky little duet. Major contrast between a staccato piano line, and the sweeping long bass clarinet.
ISRC: US-UAN-11-00635
Humorous, Somber 2009