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=USUAN1100119

MacLeod's description:

Genre: Contemporary
Length: 9:23
Instruments: Piano

Impromptu in C Major. Development takes its time. 028
ISRC: US-UAN-11-00119
Relaxed, Calming 2006