Robertson's choral works include those with orchestra (Four Songs of Remembrance, 1983, commissioned and recorded by the Orpheus Choir of Toronto, and Another Spring, 1988, commissioned by the Guelph Spring Festival), with jazz group (Jazz Magnificat, 1985, a collaboration with Ward Swingle for the Swingle Singers), with organ (Variations on the 'Sussex Carol', 1986, commissioned for and recorded by the Elmer Iseler Singers), and with clarinet and piano (Prewett in Love, 1988). His organ compositions include solo pieces and works with voice, trumpet and brass. Robertson's compositions follow in the tradition that reaches back through Minay to Ralph Vaughan Williams and Charles Wood.
Robertson had written scores for some 60 films by 1991, including the features A Quiet Day in Belfast (1973), Along These Lines (1974), Spasms (Deathbite) (1981), If You Could See What I Hear and That's My Baby (1982), and Millenium (1989), and such TV movies (CBC, NBC, etc) 1976-90 as Insurance Man from Ingersoll, Gentle Sinners, Shock Trauma, The Cuckoo Bird, Love and Larceny, Island Love Song, Nest of Singing Birds, Skate, The Challengers, The Private Capital, Love and Hate, and Getting Married in Buffalo Jump. He also has written music for the CBC TV series 'Street Legal' (1986-8) and 'Ken Dryden's Home Game' (1989), for the BBC/CTV series 'OWL TV' (beginning in 1989) and for Christmas TV specials starring the Muppets.
Roberston became music director for CBC TV's 'The Tommy Hunter Show' in 1978 and has produced and played on recordings by Liona Boyd, Moe Koffman, Nana Mouskouri, Roger Whittaker, and others. The first of his own Magic Melodies albums, which comprise popular songs and movie themes, sold more than 1.25 million copies internationally, including 300,000 in Canada.
Magic Melodies: Piano Hits. (1982). Silver Eagle SE-1012
Magic Melodies: Eric Robertson Presents All New Piano Hits '84. (1984). Silver Eagle SE-1023
Eric Robertson Christmas Album. 1984. Silver Eagle SE-1032
Midnight Blue. K-Tel NC-651
Eric Robertson Plays The Casavant Organs of Eleven Churches: Stanford - Robertson - Sark - Willan - Bach - Ouchterlony - et al. 1987. Duke Street DSR-31032
Suite for Flute and Jazz Piano: Bolling - Gershwin. Baxtresser fl, Robertson piano, Homme double-bass, Leonard drums. 1988. Pro Arte CDD-404
Others as organist with Paul Brodie and the Orpheus Choir of Toronto, and as harpsichordist and pianist with James Campbell. Several LPs in the 1960s for Arc as a pianist (Autumn Leaves, Born Free, etc) and with The Majestics (Funky Broadway, A Tribute to Otis Redding, etc). Robertson served in 1984 as the producer of Eric Robertson Presents (Duke Street DSR-31020 and DSR-32021), comprising performances by Erica Goodman, Moe Koffman, Raymond Pannell, Jim Pirie, Peter Schenkman, and Steven Staryk
Daller, Kate. 'Eric Robertson: romantic fancies, particular pursuits and Magic Melodies,' MSc, 344, Jul-Aug 1985