Every instrument features several modes, among which the player can choose while racing in order to change the appearance, or even completely hide the interface.

Uniquely for their price range, all instruments feature aftertouch.

This instrument features a 125-pound, 55-inch, metal ring that plays an F when struck.

Some instruments featured metal mountings at one or both ends of the instrument.

But then, many older instruments she had seen on shipboard featured diminutive blank windows.

Thus the instrument featured a ring graduated in degrees.

The instrument featured 163 vacuum tubes and weighed 500 pounds.

Some instruments feature a fourth valve that provides a quarter-tone step between each note.

The instrument featured in the song is a melodica.

Newer instruments may feature a register where every tone played actually produces a perfect fifth.