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=USUAN1100590

MacLeod's description:

Genre: Jazz
Length: 0:59
Instruments: Bass, Kit, Violins, Brass
Tempo: 140

Noir. Private detective from the 1940's sort of feel. 041
ISRC: US-UAN-11-00590
Grooving, Mysterious 2009