The male voices were done, as on all of his earlier albums, by Olaf Hayer.
St. Olaf College | Olaf Tryggvason | Olaf Gulbransson | Olaf Tufte | Olaf Stapledon | Olaf M. Norlie | Olaf II of Norway | Olaf Breuning | Erwin Olaf | The Saga of King Olaf | Olaf the White | Olaf Sporns | Olaf Offerdahl | Olaf Nordhagen | Olaf Hense | Olaf Haraldsson Geirstadalf | Olaf Fønss | Olaf Bull | Dave Hayer | Tara Singh Hayer | St Olaf | Paul Olaf Bodding | Olaf Swenson | Olaf Stapledon's | Olaf Scholz | Olaf Østensen | Olaf Kullmann | Olaf Krohn | Olaf Iverson | Olaf Isaachsen |