Voluntary IV in g-minor

Thomas Roseingrave (1690 or 1691 – 1766), was an English-born Irish composer and organist.
He was born at Winchester, where his father Daniel Roseingrave was the Cathedral organist.

He was appointed organist of St George's, Hanover Square, in 1725. He became known as an accomplished improviser, especially of fugues. He had a great admiration for the music of Palestrina and was highly skilled at contrapuntal writing. According to Charles Burney he could play the most difficult music by sight.

Roseingrave's best compositions are his keyboard works which show surprisingly little influence of continental composers.
His harpsichord works occasionally reflect the influence of Scarlatti, but the organ works are closer to the English style of Purcell and Blow.
They are at times highly chromatic, reflecting the dissonant approach of English music such as Purcell's viol fantasies. They show irregular phrasing and form, suggesting that they may have arisen from freely extemporised performances for which he had been so famous.
His contemporaries often criticised him for his "harsh, ungrateful harmony, and extravagant and licentious modulations".

One factor which led to increased esteem for Roseingrave in the 20th century (though even now his music is seldom heard in concert, as opposed to being included on recordings) was the enthusiasm demonstrated for his output by Constant Lambert. Indeed, Lambert actually oversaw the first modern editions of several Roseingrave pieces.