Nearly four octaves, for Freddie Mercury (5)
I believe the answer is:
range
(Other definitions for range that I've seen before include "Full choice of clothes" , "Walk for miles" , "Prairie" , "Array" , "Variety; scope" .)
I believe the answer is:
range
(Other definitions for range that I've seen before include "Full choice of clothes" , "Walk for miles" , "Prairie" , "Array" , "Variety; scope" .)