▁O lava ▁has ▁collabor ated ▁with ▁other ▁artists ▁in ▁these ▁albums : ▁Stand ▁Up ▁Stra ight - ▁Vid ar ▁V ang ▁& ▁The ▁Northern ▁Men , ▁ 2 0 0 4 ▁( v oc als , ▁cho irs ) ▁In ▁G lor ious ▁Mon o - ▁Vari ous ▁Art ists ▁– ▁ 2 0 0 6 ▁( also ▁wrote ▁the ▁texts ▁in ▁which ) ▁Ex iles - ▁Si vert ▁H ø y em ▁ 2 0 0 6 ▁( chor us ) ▁Anim ated ▁People ' s ▁Republic - ▁L uk as ▁K asha ▁ 2 0 0 7 ▁( v oc als ) ▁El ▁Cu ero - ▁El ▁Cu ero ▁ 2 0 0 7 ▁( v oc als ) ▁Mad rug ada - ▁Mad rug ada ▁ 2 0 0 7 ▁( chor us ) ▁El ▁Cu ero - ▁A ▁G lim mer ▁of ▁Hope ▁ 2 0 0 8 ▁( v oc als ) ▁The ▁White ▁Bir ch ▁- ▁ ▁The ▁We ight ▁of ▁Spring ▁ 2 0 1 5 ▁( v oc als ) ▁ ▁References ▁ ▁External ▁links ▁ ▁Official ▁website ▁ ▁Category : 1 9 8 1 ▁birth s ▁Category : L iving ▁people ▁Category : N or weg ian ▁female ▁sing ers ▁Category : N or weg ian ▁pop ▁mus icians ▁Category : N or weg ian ▁pop ▁sing ers ▁Category : N or weg ian ▁singer - song writ ers ▁Category : Pe ople ▁from ▁L ille ham mer ▁Category : 2 1 st -