testInstruments

local instruments = {"harp", "basedrum", "snare", "hat", "bass", "flute", "bell", "guitar", "chime", "xylophone", "iron_xylophone", "cow_bell", "didgeridoo", "bit", "banjo", "pling"}
local speaker = peripheral.find("speaker")

local volume = arg[1] or 1

for _, instrument in pairs(instruments) do
    for pitch = 1, 24 do
        speaker.playNote(instrument, volume, pitch)
    end
end