William Walton received a commission for an original composition from Granada Television in June 1961. Walton delivered the work in August 1962 as Granada Prelude, Call Signs and End Music.
Instrumentation is three flutes (third doubling piccolo), three oboes (third doubling cor anglais), three clarinets, two bassoons, contrabassoon, four horns, three trumpets, three trombones, tuba, timpani, three percussion, harp, and strings. ==Score publications==
Score publications
The march for concert band as arranged by Vinter was published by Oxford University Press as a 26-page score in 1973. The orchestral version is included in the publisher's William Walton Edition volume 17 Shorter Orchestral Works 1 (2007). ==First public performance==
First public performance
Although he composed nothing new for the Silver Jubilee of Elizabeth II in 1977, Walton did release for public performance his original orchestral version of the Prelude for Orchestra. This first performance was on Saturday 25 June 1977, with James Blair conducting the Young Musicians’ Symphony Orchestra in St. John's, Smith Square, London. ==Recordings==