Cello: Beginner Guide — Music & Arts
TOR / Creation & Teaching / Recommended External Content
“The cello has four strings. Listed in ascending order, they are: C, G, D, A. The C is the thickest and lowest-sounding string. The A is the highest-sounding string and the thinnest.”
https://www.musicarts.com/cms/student-resources/an-introduction-to-the-cello/