Concertos:
Serpent
Many performances, including twice by Boston Pops, soloist Doug Yeo, conductor John Williams
One of the performances:
Keyed Bugle
Performed in the USA and UK by Ralph Dudgeon – authority on the instrument
Ophicleide
2nd movement recorded with piano accompaniment on his CD 'Back from Oblivion'
Trumpet
Performed by Maidstone Symphony, soloist John Wallace, conductor Brian Wright
Trombone
Kent County Youth Orchestra, soloist Ian Bousfield (former principle LSO, now with Vienna Philharmonic), conductor Alan Vincent.
The premiere:
Horn
Written for John Thurgood – principle ECO and ENO
Tuba
Performed in Sydney and Melbourne by Sue Bradley
Viola
Kent County Youth Orchestra – soloist Paul Silverthorne – principle LSO, conductor Brian Wright
Cello
Written for Rohan da Sarem from the Arditti Quartet
Clarinet
Maidstone Symphony – soloist Emma Johnson, conductor Brian Wright
Bassoon
ECO commission – soloist Julie Price conductor Douglas Boyd
Other Concertos
Recorder, Trombone no 2, oboe and two for flute
Musicals
See the Samples Page for some excerpts from Mayhew's London.
Children's Musicals
Rock-it, Enter The Egyptians, A Byte of Ancient Greece and others
Choir + Orchestra
The Three Kings, Fables and others
String Orchestra
Beauchamp Dances
Wind Band
Windy City + others
Solo Piano
Rhapsodies, Sonatas, Nocturnes, Etudes, Waltzes, Preludes and many others
Some of these are on the Samples Page
Chamber
Works written for Wind Quintet, Wind Trio, Brass Quintet, Brass Ensemble, Piano Trio, Piccolo, Flute, Bass Flute, Clarinet Trumpet, Trombone, Tuba, Violin, Viola, Cello, String Quartet, Serpent, Guitar, Saxophone and others
Some of these are on the samples page.