on raj raj the participants were alf vierth ( song ) , björn eriksson ( drums ) , elä malmberg ( bass , background song ) , harald berthelsen ( mandolin , tin whistle , background song ) , martin linder ( saxophone , background song ) , rickard elofsson ( trumpet , background song ) , stefan ståhl ( guitar , background song ) , svante sörmark ( guitar , background song ) and viktor brobacke ( trombone , harmonica , song on rätt sätt and background song ) .