^{page 24 note 1} Given at the Festival Hall by the New Philharmonia Orchestra conducted by the composer.

^{page 24 note 2} Given its first performance in England at the Festival Hall on November 20, by Gérard Jarry with the BBC Symphony Orchestra conducted by the composer.

^{page 25 note 1} Given its first performance at the Festival Hall on November 20 by Hubert Rostaing, Tristan Fry, and the BBC Symphony Orchestra conducted by Gilbert Amy.

^{page 25 note 2} Given its first performance in England at a Macnaghten Concert at St. Pancras Town Hall on November 25, by the Arts Laboratory Ensemble under the direction of the composer.

^{page 27 note 1} First performed in a concert presented by the BBC Music Programme, in association with the Cambridge Arts Theatre Trust, at Lady Mitchell Hall, Cambridge, on October 26. David Atherton conducted.

^{page 27 note 2} The first performance in England was given by the BBC Symphony Orchestra, conducted by Colin Davis, at the Festival Hall on December 4.

^{page 29 note 1} The first performance in England was given at the Festival Hall on October 24 by the London Symphony Orchestra conducted by the composer.

^{page 30 note 1} The first performance of the revised version was given on October 3 by the Philip Jones Brass Ensemble at a Macnaghten Concert at Wigmore Hall. The original version, which won the Clements Prize (1967) was first given by the same players at the Cheltenham Festival on July 6.