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=USUAN1100234

MacLeod's description:

Genre: Silent Film Score
Length: 0:59
Instruments: Piano

Melody in the bass. Dark, but still energetic. 032
ISRC: US-UAN-11-00234
Dark, Bouncy, Mysterious 2006