After hanging with my buddy Chris for the 4th of July, I was reinspired to look into how to do an extremely portable band system. He likes recording him and his buddies making music and fiddles with things like using his tablet for drums when he's on vacation or at someone's house. A real prohibitive factor for making music is the instruments require a lot of space and are a massive headache to consider when traveling. And an absolute no-go when flying. As a first pass into a portable music system I consider using what I already have, with the exception of one item which would make this a really cool project: the short scale fold up guitar! First what I already have: I conceive the SmartPhone to be the recorder since I will likely want to make fire hot music recordings go viral instantly. There is an app (Piano Extreme: OTG Keyboard) which allows you turn your OTG keyboard hooked up to your phone as a musical keyboard (assigning notes to each character but...