what-are-the-strings-on-a-cello

what are the strings on a cello what are the strings on a cello made of what are the strings on a cello tuned to what are the strings on a cello called what are the 4 strings on a cello what are the open strings on a cello what are the four strings on a cello what notes are the strings on a cello what notes are the 4 strings on a cello how long do cello strings last