Marco Hietala se abre sobre sus problemas de salud mental cuando decidió abandonar Nightwish: "Me hice tests neuropsicológicos en España" - MariskalRock.com
Nightwish: Marko Hietala erzählt Genaueres über seinen Ausstieg
MARCO HIETALA Says His 'Hard Prog' Solo Debut Isn't As 'Symphonically Flamboyant' As NIGHTWISH - BLABBERMOUTH.NET
Nightwish: Bassist Marco Hietala hat die Band verlassen
Wings of Darkness ~ The Official Tarot Website
File:Marco Hietala - Ilosaarirock 2013 1.jpg - Wikimedia Commons
Marko Hietala - Bass Guitar & Vocals :||: NIGHTWISH OFFICIAL WEBSITE
Marko Hietala - Wikipedia
MARCO HIETALA opens up about his decision to leave NIGHTWISH – Arrow Lords of Metal
Marco Hietala from Nightwish by Lucyl99 on DeviantArt
Marco Hietala Fansite | Kuopio
Marco Hietala auf dem neuen Avantasia Album - metal-heads.de
Marco Hietala Fansite | Kuopio
マルコ・ヒエタラ - Wikipedia
Marco Hietala (@hietala_marco) / Twitter
Marco Hietala | Music Hub | Fandom
Marko Hietala, 56, sai vauvan | Ex-Nightwish-basisti hehkuu onnea | Apu
Marko Hietala - Wikipedia
Resignation Announcement Marko Hietala
Nightwish: Marco Hietala geht als Sieger von "The Masked Singer" in Finnland hervor - Time For Metal - Das Metal Magazin & Metal Podcast
