Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Tuomas Holopainen, onye edemede nke ọtụtụ abụ na egwu nke ìgwè ahụ, na-ekwu na ọ na-enweta ọtụtụ n'ime mmụọ nsọ maka abụ Nightwish site na egwu ihe nkiri. Abụ dịka "Beauty of the Beast" (site na Century Child), "Ghost Love Score" (site na Once) na "The Poet and the Pendulum" (site na Dark Passion Play) bụ ihe atụ nke mmetụta a. Holopainen kwukwara na egwu ihe nkiri bụ egwu ọ na-ege maka ntụrụndụ. Dị ka ihe atụ, ọ na-enwe mmasị n'egwú ndị e tinyere na The Village, Van Helsing, The Chronicles of Narnia: The Lion, the Witch and the Wardrobe na Crimson Tide, nakwa ihe fọrọ nke nta ka ọ bụrụ ihe nile Hans Zimmer dere. Abụ ndị ọzọ, dị ka "Bye Bye Beautiful" (site na Dark Passion Play), na "Wish I Had an Angel" (site na Otu oge) nwere ihe ndị dị na metal ụlọ ọrụ, na ụfọdụ ndị ọzọ, dị ka "The Islander" na "Last of the Wilds" (site na Dark Passion Play), "Creek Mary's Blood" (site na Otu oge), na ndị mmụọ ozi Fall First album nwere ihe ndị dị na egwu egwu. Ndi otu ndi ekwuputara dika ndi nwere mmetụta na Nightwish gunyere Children of Bodom, Theatre of Tragedy, The Gathering, My Dying Bride, Tiamat na The 3rd and the Mortal. A makwaara Nightwish dị ka isi iyi nke mmụọ nsọ maka ìgwè ndị ọzọ. Simone Simons, onye na-abụ abụ nke Dutch symphonic / gothic metal band Epica, kwuru na ọ malitere ịbụ abụ n'ihi Nightwish's 1998 Oceanborn album. Sander Gommans nke After Forever kwuru na Nightwish "ga-emetụta anyị n'ịmepụta abụ ọhụrụ". Onye na-abụ abụ n'otu egwu dị ike a na-akpọ Sonata Arctica bụ Tony Kakko akọwaala etu Nightwish siri metụta ya. Na Disemba 2015, Dave Everley nke Metal Hammer kọwara ha dị ka "otu egwu egwu kachasị nke ọma na Europe, nye ma ọ bụ were Rammstein".  Ajụjụ: Simone Simons bụ onye na-anọ n'ihu otu?
Epica