 A number of other noted Swedish musicians and singers were rumoured to have taken part in the Caramba recordings, but Tretow confirmed in an interview in 2015 that he and Gärdestad were the primary artists.Roger Palm, the drummer for ABBA, played drums on "Hubba Hubba Zoot Zoot" and Kalle Sändare, a Swedish comedian known for his prank calls, was involved on the track "Ahllo", according to Tretow.The track "Hubba Hubba Zoot Zoot" has been re-issued as part of Michael B. Tretow's 1999 album "Greatest Hits", the Ted Gärdestad four-CD box set "Solregn" in 2001, and a number of other compilations of 1980s hits and Swedish novelty recordings, and the "Caramba" album was released on CD in 2011.