You might consider a scale changer harmonium, which allows you to shift the entire keyboard to different pitches without changing your fingering.
Most quality instruments use two (double) or three (triple) sets of reeds per note. Copper reeds offer a warmer, softer tone. Brass reeds provide a louder, more "penetrating" sound. buy a harmonium
Collapses into a suitcase-like box, making it easier to transport for touring or classes. You might consider a scale changer harmonium, which