二人の妻
Also in 1821, he produced, at the English Opera, a successful piece called "Two Wives, or a Hint to Husbands". In 1822, he conducted at the congress of the Welsh bards held at Brecon and the meetings of the Welsh bards, held in London, which continued for many years under his direction as registrar of music to the Royal Cambrian Institution. He also wrote parts of several operas and other pieces; adapted the music to an opera of "Ivanhoe", performed at Covent Garden Theatre; and composed over three hundred songs, duets, and other pieces, especially for the harp, piano, flageolet, violin and flute, including almost every genre of music. Among other works, he published two volumes of Welsh melodies, with English words; two volumes of Scottish songs; two volumes of catches and glees; two of minstrel songs, for the flute, entitled "Corydon" and "Sapphonia", for the violin. His works also include several volumes of military music; books of instruction for several instruments; two sets of Welsh airs; and "The Æolian Harmonies", consisting of selections from the works of the most eminent composers, arranged for wind instruments.