Home / Forums / Melodica construction, repair and maintenance / Bought a new Suzuki M37 Melodion completely out of tune. / Reply To: Bought a new Suzuki M37 Melodion completely out of tune. Reply To: Bought a new Suzuki M37 Melodion completely out of tune. June 4, 2015 at 2:23 pm #5391 Alan BrintonParticipant Ditto on Daren’s comments. The Melodica World “How to Tune a Melodica” is excellent, and tuning is easier than most people think. It just takes some time and patience. And it’s less frustrating if you’re not striving for absolute perfection.