The singing master's assistant, or, Key to practical music : being an abridgement from the New-England psalm-singer; together with several other tunes, never before published

composed by William Billings ... (statement of responsibility)
"Engrav'd by Benja. Pierpont Junr. Roxbury 1778"--Colophon.
"Encomium on music": p. [31]-32 (1st group).
Includes index.
RISM, A/I/1, B 2647 (citation/reference)