Citation - Pennsylvania Journal: 1770.10.04

PJ.770.058
4 Oct 1770:43 (1452)
To the public.  By particular desire, at the assembly room,
the day after the races.
Mr. Gualdo will direct a music concert, in which select
pieces and solos will be performed on different instruments. 
Tickets a dollar a piece, to be had at his house in Norris's
Alley, and of the waiter at the London coffee-house.  To
begin at half an hour after six o'clock in the evening. 
Sept. 27.