Vocal Range
A range that describes how high and how low one's singing voice can go. There are letters which describe the key the note is, and numbers which describe the octave the note is in
Alex's vocal range is B4 - C6
Vocal range retardation
When a person has a time vocal range. Similar to an undeveloped range. This person can only sing one or two notes.
Sir you’ve been diagnosed with vocal range retardation