Band,
A.k.a. Askild Hagen 'Lys Assia' Adrian Cox Arvid Larson Don Biggles Glenn Hysén Juma Rajabo Minken Mrs. Klüber Phantom Limb (3) Terje Halvorsen The Klüber Trio The Three Wise Men (2) Töpless In Snaaza Trio Zuter Yngste Halvorsen
Yes, the whole group is actually just one guy named Askild Hagen. That'll say also when they're credited separately it's also Askild Hagen on both "Phantom Limb" and "The Three Wise Men"