Did you know that the English concertina, that hand-pumped bellows instrument favored by sailors both legitimate and piratical in the Age of Sail, was invented by none other than [Sir Charles ...

All of the little music nerds will be so jealous of you and your homemade MIDI concertina. They'll be all like "oh man, look at that awesome MIDI controller that looks like a Hayden Duet Concertina, ...