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=USUAN1100074

MacLeod's description:

Genre: Contemporary
Length: 3:19
Instruments: PIano, Violin
Tempo: 57

Slower, optimistic and simple duet. 028
ISRC: US-UAN-11-00074
Relaxed, Uplifting 2007