The number that specifies
lowest note of melody is determined by this parameter.
This number can be between 25 and 100.
This number must be at least 7 half-tone lower than Highest parameter.
The number that specifies
highest note of melody is determined by this parameter.
This number can be between 32 and 127.
The value of Highest must be at least 7 half-tone higher than the value of Lowest.