The keys pertain to the solfege notes do, re, mi, fa, sol, la, ti, and do.
Octav Onicescu was born in 1892.
Octav Onicescu died in 1983.
Octav Cozmâncă was born in 1947.
Octav Mayer was born in 1895.
Octav Mayer died in 1966.
Octav Băncilă died in 1944.
Octav Băncilă was born in 1872.
Octav Botnar died in 1998.
Octav Botnar was born in 1913.
There are 8 keys on an oboe.
Sergiu Lupse's birth name is Sergiu Octav Lupse.
Most have 88 keys (36 black keys and 52 white keys)