Erkki Vilhelm Aho was born December 10, 1918 in Helsinki, Finland. He led the Rytmi orchestra which was formed in 1938. In the orchestra, Olavi Virta and Raija Valtonen acted as soloists, the pianist was Toivo Kärki and another famous member was Pauli Granfelt.
Aho's orchestra was one of the top Finnish orchestras. During the Continuation War, his orchestra consisted of 14 men before it was taken over in 1945 by drummer Osmo "Ossi" Aalto. In the spring of 1944, the orchestra recorded American evergreens arranged by Kärjen Syväri.
