His brother Johan Ejnar Voss (1868–1948) was a court lawyer and the father of the actor Tore Foss (1901–1968).

[5] Voss studied at the Oslo Conservatory of Music and under the choral conductor and composer Iver Holter.

In the fall of 1928, Voss resigned to become the conductor at the new Kinodromen cinema started by the company Oslo Kinematografer.

[6][7] Voss was a music critic for the newspaper Aftenposten from 1930 to 1935, as an alternate for David Monrad Johansen.

[11] Voss composed many pieces, including an arrangement of the workers' song "Vi bygger landet" (We Are Building the Country) in 1935.