She composed several cantatas, two pianoforte concertos and five operas, Sofonisbe, Ciro in Armenia, Nitocri, Il Re Pastore and Insubria consolata.
- Concertos I.
The compositions of Haydn include 104 symphonies, 16 overtures, 76 quartets, 68 trios, 54 sonatas, 31 concertos and a large number of divertimentos, cassations and other instrumental pieces; 24 operas and dramatic pieces, 16 Masses, a Stabat Mater, interludes for the " Seven Words," 3 oratorios, 2 Te Deums and many smaller pieces for the church, over 40 songs, over 50 canons and arrangements of Scottish and Welsh national melodies.
He had already attempted musical composition, and at this period produced several concertos pour basse, in the manner of the violoncellist, Lamarre, in whose name they were published.
Besides the works mentioned he has written incidental music to plays, as, for instance, to Ravenswood, The Little Minister, and Coriolanus; concertos and other works for violin and orchestra, much orchestral music, and many songs and violin pieces.