Citation - Rivington's New York Gazette: 1779.09.08

RNYG.779.136
8 Sep 1779:24 (307)
Drum Heads,  Of an excellent Kind to be had of James
Rivington, who has imported a fresh Assortment of  exceeding
good Stationary, Books, and many other Articles.
New Instructions For Playing on the following Instruments,
To be had of James Rivington.
The Harpsichord and Piano Forte. 
The Violin.    Hautboy.    Clarinet.
French Horn.    Guittar.    German Flute.
Common Flute    Fife.    Sticcado Pastorale.
and Bagpipe,
With Directions for learning to sing any Song at Sight.