The Northern Lights Duo is an international collaboration between Bente Illevold (Norway) and Dr. David Earll (USA) formed in 2018. The duo has become one of the most active international tuba and euphonium duos in the world and has commissioned music from Rune Rebne, Ludvig Elblaus, Evis Sammoutis, and Marcus Paus. Their tours have included performances throughout the United States, Norway, Germany, and Spain.