Full Item Description There are easily manageable organs which
are portable and are pumped and played by the same person, who
also sings either the soprano or tenor part. The organetto was
one of the most popular instruments of the thirteenth through
sixteenth centuries. Relatively light in weight, the instrument,
when equipped with a sling, could be carried about and played in
religious processions. The player provides his own wind supply
by pumping a bellows made of sheepskin and wood with his left
hand while playing a button type keyboard of approximately two
octaves with his right hand. Because of its limited air supply,
the organetto could only play one note at a time. Thus it was
used for monophonic dance music, or a single part in a motet,
chanson, or other polyphonic work. Pipes are arranged in two
rows and have a high lead content. The key action is mechanical:
depressing a key allows air from the bellows to enter the
appropriate pipe. Although the organetto is tuned in Pythagorean
temperament, other