Helt Halfdansk - Halfdan Rasmussen - Sange og tosserier. 20 songs by the famous Danish author Halfdan Rasmussen sung by Christian Steffensen (2015). Arranged by Allan Andersen. Music by Östen Warnerbring Mogens Jermiin Nissen Michael Bojesen Poul Kjøller Bjarne Haarhr a.o.