His career as a performer was launched when he won first prize in two international competitions: St Albans, England in 1969 and Kiel, Germany in 1972.
He gave Master Classes in many places including Copenhagen, Stockholm and Oslo, and was 'Headmaster' of the Church Music Seminar in Bergen for fourteen years.
The most recent Bach CDs were recorded on the newly constructed, historic-style, Carsten Lund organ in Copenhagen's Garnisons Church.
Sanger appeared in the jury of many international organ competitions; St Albans, Paisley, Speyer, Biarritz, Alkmaar, Odense Nűrnberg and Lucerne.
[2] After being a member since age 15, Sanger was appointed president of the Royal College of Organists in October 2008, a position he served in until his resignation a week before his death.
[4] Three days later, on 28 May 2010, police announced that Sanger had been found dead at his converted former chapel (which housed a church organ)[5] in Embleton, near Cockermouth, Cumbria.