A G to F note being played legato on the cello.
A cello playing a bouncing note on A.
Scraping down the strings of a cello.
Hitting cello strings with hands.
Fingers tapping on a cello.
A low note C being plucked pizzicato on the cello.
Scraping of the strings on a cello.
A note being plucked on a cello.
An E to G notes being played legato on the cello.