Trombone Duet Trombone - Level 3 - Digital Download SKU: A0.1269039 By Aqua. By Claus Norreen, Johnny Pederson, Karsten Delgado, Lene Nystrom, Rene Dif, and Soren Rasted. Arranged by Austin Ralphson. Pop. Score. 18 pages. Austin Ralphson #861574. Published by Austin Ralphson (A0.1269039). Barbie Girl is a song by Danish-Norwegian dance-pop group Aqua. Released in 1997, it has been a popular dance hit all over the world.  It has been turned into a fun arrangement for trombones here, adding some additional excitement to any concert programme. The highest note in both parts is G above the stave (bass clef). Parts are provided in treble and bass clefs.