Born 9 may 1946 at Lønset in Sør- Trøndelag, Norway.
Guitar player in "Simonsens Trio", bass player/singer in the rock'n roll groups "Spiritual Man Group" / "Hapax Legomenon" (Oppdal) and "Drugtakers LTD" / "Pulvinar Diaboli" (Sunndalsøra) in the sixties.
Educated at Veitvet Music Conservatory in Oslo and Trøndelag Music Conservatory in Trondheim with violin as the main instrument and at the Grieg Academy in Bergen with composition as the main diciplin.
Composition studies with Terje Bjørklund and Henniong Sommero in Trondheim and Svein Hundsnes in Stavanger.
Studied composition to the Master degree with Morten Eide Pedersen in Bergen.
Masterclass in composition by Georg Friedrich Haas, Mathis Spahlinger, Kaija Saariaho, Ivar Frounberg and Michael Finissy.
Seminars with Magne Hegdal, Kaija Saariaho, Bent Sørensen, Henrik Ødegaard, Anna Lindahl, Henrik Hellstenius and Karen Tanaka.
Harald Sæther has written music to lyrics by Petter Schramm, Margunn Hageberg, Mona Høvring, Irene Paulsen (all Norwegians), Esther Tellermann (France), in multiple contexts been closely collaborating with the Italian poet Nanni Cagnone with the works "Index Vacuus", "Waves", "Obstupescit Venticinque", "a', in altre parole 'b" from the poetry collection "What's he to Hecuba or Hecuba to him"?.
By working he has been music teacher at the Rudolf Steiner School in Trondheim for 3 years, violinist (soloist and orchestral musician) for 25 years, teacher in the music school for 15 years, principal of municipal music schools and cultural schools in total 5 years an music coordinator at the Opera in Kristiansund for 1 1/2 years.
Harald Sæther is member of the New Music Composer group since 2007 an chairman from 2009 to 2011.
He is member of Norwegian Society of Composers.