The file comprises transcripts of three interludes, namely 'Ffrewyll y Methodistiad', by William Roberts of Llannor; 'Einion ap Gwalchmai' ascribed to Sion o'r Bala and Huw Jones of Langwm, c. 1760, and `Gras a Natur', 1769, by Elis Roberts, Llanddoged.