Be Glad for the Song Has No Ending film 1968
Rehearsal Incredible String Band film.
U theatre 1970
Performance in the play entitled "U" by the Incredible String Band at London's Roundhouse Theatre and the Fil-more East in New York City.
Film 1973 Appearance in the James Archibald film.
TheWatcher - film 1979
Appearance in the American Film Institute production, featuring Eduard Franz and Diana Douglas, with Robin as "the watcher." Screened in Hollywood, November 1979.
FILM, TELEVISION, & THEATRE SCORES
Tree ofLeaf and Fíame music-dance-theatre 1982/83
Words and music performed by Robin; dancers from Moving Being choreographed by Geoff Moore. Edinburgh
International Festival Fringe August 1982. Also presented on Scottish and Welsh Arts Council tours, Spring 1983.
The Mabinogi- multi-media theatre production 1981 Music composed for a presentation of the Mabinogion, a cycle of ancient Welsh legends, as performed by thetheatre dance company Moving Being at Cardiff Castle,Wales, April 1981.
The Mabinogi - theatre and television 1983/84
Open air production, Caernarfon Castle, May/June 1983 and Cardiff Castle, August 1983; Channel Four TV, 1984.
The Dragon Has Two Tongues - Television Score 1984 -13 part Welsh history series for Channel Four TV.
Prospect of the Sea - theatre 1984/85 - Moving Being and Robin; theatre/dance portrait of Dylan Thomas.
Every Window Tells a Story - television theme music 1986 - Six week series on Channel Four TV, Spring 1986.
Paintability - televisión theme music 1986 - Six week series on Channel Four TV, Spring 1986.
Crime Pays - televisión movie Channel Four 1986 -
The Mabinogion-The Arthurian Romances - theatre 1986- St. David's Hall, Cardiff, Wales. August 1986.
Willow (specialty musician) movie MGM/Lucasfilm 1988
Merlin the Magician - theatre 1988 -St. David's Hall, Cardiff, Wales. August 1988