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=USUAN1100018

MacLeod's description:

Genre: Silent Film Score
Length: 0:41
Instruments: Piano

Light but dim. Nice for a 'classy' villain with a plan. 032
ISRC: US-UAN-11-00018
Dark, Humorous, Mysterious 2006