ment. PoffeiTed of this art, with a proper 
comprehenfion of time, you are, without 
being a profefled finger, enabled to join in 
a Catch or Glee, which, of all Mufic, is the 
moft generally pleafing. 
But, this art is commonly thought difficult 
to learn. I believe the difficulty originates 
in the abfurd method of teaching. If you 
have voice and ear fufficiently true to run 
the oc~lave up and down, both in the major 
and minor key, you may, by the following 
fimple means, learn to fing at fight in lefs 
than a fortnight; provided you have, pre- 
vioufly, a fufficient knowledge of triple and 
common Time, and of the relative length of 
the notes and refts : a knowledge that may 
be acquired in an hour. 
For the letters of the alphabet, by which 
the feven notes are named, I fubftitute the 
feven firfl figures, i, 2, 3, &c. becaufe they 
will apply to any part of the harpfichord: 
begin where you pleafe, i is the fundamen- 
tal, or key-note* 2 the fecond, 3 the third, 
and fo on to the octave. 
Firft, run the feven notes, in the major 
key, from one octave to the other, backward 
and forward, till you can found them truly 
and eafily. Then praeYife the fame in the 
minor 
