'William Williams his Singing Book 1774 ...', being a copy of The Gamut, or Scale of Music, Very necessary to be learnt by Those, who would attain to the delightful Knowledge of Psalmody, to which psalms and anthems have been added in manuscript.

Psalm-tunes and anthems in four-part harmony, including a transcript of Symon's 'Grand Gloria Patri', and 'A Scale of all ye Natural Notes, for ye Garman flute'.