1.Previous
3.Next

by appending additional prime symbols above the letter. Thus, middle C is written c´, the next octave c´´, etc.
#* Octaves below tenor C are written with upper case letters, with sub-prime symbols prepended for each additional octave. Thus the octaves below tenor C are written C, ?C, ??C, etc.
#* A number of typographic variants exist for Helmholtz notation. For instance, primes and sub-primes may

1.Previous
3.Next