Citation - Boston Evening Post (Fleet): 1770.07.16

BEP(F.770.039
16 Jul 1770:33 (1816) 
To-morrow evening, will be performed, a grand concert of
vocal and instrumental musick, at Concert-Hall.  N.B.  As
it's the last for this season, the gentlemen subscribers are
desired to return their tickets at the door.--Any gentlemen
or ladies that are not subscribers may purchase tickets of
the printers, or at said hall, at half a dollar each.
[pointing hand]  To begin at eight o'clock.