Olsson began her career as a backing or choir vocalist on an assortment of Swedish pop albums. She was heard on Peter Lundblad's 1978 album Vem Ska Trösta Knyttet?. Olsson married Lundblad in 1980 (divorcing in 2000), and during that span, they often recorded together. She also sang at several editions of the annual Melodifestivalen, the Swedish selection process for the Eurovision song contest.
- Sesam (1976): Roosevelt Franklin's Mother, Singer of "Four Seasons"
- Sesam 2 (1977): girl monster on "The Lovable Monsters of Sesame Street.