Citation - Pennsylvania Gazette-Philadelphia: 1757.05.12

PG-P.757.035
12 May 1757:42 (1481)
Notice is hereby given, that the subscriber has again opened
his singing school (for the summer season evenings) at his
school in Third-street, next the Reverent Mr. Tennant's
Meeting-house;  where any person may be instructed in
psalmody, that is capable to learn that agreeable art. 
Those who incline to enter, may see the conditions at the
said school. [signed] Josiah Davenport.
  N.B. The person that borrowed Gay's Fables of him, with
cuts, is desired to return it.