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=USUAN1100126

MacLeod's description:

Genre: Silent Film Score
Length: 3:15
Instruments: Piano
Tempo: 107

Background ragtime feel that won't attract attention to itself. 031
ISRC: US-UAN-11-00126
Bouncy, Humorous 2007