From Ike Milligan@21:1/5 to All on Sun Mar 18 11:13:58 2018
Which BTW is on eBay now for $3000.
Musette IV is an Atlantic IV except it is LMMM and like the Atlantic IV
LMMH has 4/4 reed sets.
There was also a Musette IV made in Switzerland by Hohner, without the
compound rubber grommeted key valve lifters on the black keys and is 4/5.