As a period instrument, it can refer to any of the different types that are described, above.
The orchestra consists of about 60 members from many different countries, who all play on period instruments.
He soon became interested in performing old music with period instruments.
But he began performing on a period instrument without formal instruction.
Concerts of 17th- and 18th-century music played on period instruments.
The time and money spent on all those period instruments might have gone to another purpose.
However, it is important to listen to the way that period instruments are played.
The orchestra's overall approach focuses on the sound of period instruments.
It is the "first American ensemble known to have performed on period instruments".
They often perform with choir and play on period instruments.