Citation - Boston Gazette: 1770.07.16

BG.770.040
16 Jul 1770:32 (797)
To-morrow evening will be perform'd, 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
desir'd 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.  To
begin at eight o'clock.