number of instruments needed

Banjo - 10 (13mil from lodge)
Erhu - 7 (70000 spy points)
Glockenspiel - 8 (104000 spy points)
Harmonica - 9 (12.6mil from lodge)
Ocarina - 10 (14.5 mil from lodge)
Trombone - 10 (13.5mil from lodge)

total instruments needed = 56