limited by the number of barrels one can afford and easily transport.

Barrel pianos typically have a range of 40-48 (Non-Chromatic scale) notes, in contrast to standard pianos that normally have 85 or 88 chromatic keys. More elaborate barrel pianos may also include one or more percussion instruments such as bells, wood blocks, a triangle or two, small cymbals, tambourines and drums, much like their larger cousin the Piano Orchestrion.