William Hayman Cummings,
Dictionary of National Biography…
(1895)
“ I hope and trust I shall one day have the happiness of hearing this second Mozart,' His extraordinary talent for extemporising music was remarked as early as his fifth year, and it is recorded that at that early age 'he sang many beautiful and impassioned melodies, which he accompanied with both hands in the fullest and most varied harmony,' When eight years of age he composed an opera to words by Metastasio which was highly praised by eminent musicians and critics. ”
