Background
Born at Hackney on 15 December 1842, he was son of William Gadsby.
Born at Hackney on 15 December 1842, he was son of William Gadsby.
From 1849 to 1858 he was a chorister boy at Street Paul"s Cathedral at the same time as Sir John Stainer. He learnt basic harmony under William Bayley, the choirmaster, but was otherwise self-taught. Having also taught himself the organ, he became organist of Saint Peter"s Church, Brockley, holding this appointment till 1884.
Gadsby succeeded John Hullah as professor of harmony at Queen"s College, London, and Sir William Cusins as professor of pianoforte there.
In 1880 he was appointed one of the original professors (for harmony) at the Guildhall School of Music, where he taught for the rest of his life. He died on 11 November 1907 at 53 Clarendon Road, Putney, and was buried in Putney Vale cemetery.
His widow died shortly after him, leaving two daughters.
A member of the Philharmonic Society, and other musical societies, and fellow of the College of Organists, he was a well-known figure in the musical world.