I took an early opportunity of introducing him at Mr. Copley’s concert; and he presently began in ‘Untwisting all the chains that tie / The hidden soul of harmony.’ For never before had we heard the concertos of Corelli, Geminiani, and Avison, or the overtures of Handel, performed more chastely, or more according to the original intention of the composers, than by Mr. Herschel.