In a new interview with Top Link Music manager and concert promoter Paulo Baron and music critic Regis Tadeu, Tarja Turunen was asked if she would consider doing a tour with NIGHTWISH if all of her former bandmates apologized to her about how their split happened and invited her to share the stage with them again. She responded (as transcribed by BLABBERMOUTH.NET): "It is very, very hypothetical that all what you said will happen, first of all — it's very, very hypothetical.
"I'm living in a world, like we are all living in a world, that things happen without us noticing," she continued. "I mean, I can't really close any doors in that sense; I'm not that kind of person any longer. I learned so many things in this life already. I take them as they are.
"So I don't know. It would be very hypothetically possible," she added. "It would be unlikely to happen."
Turunen was fired from NIGHTWISH at the end of the band's 2005 tour by being presented with an open letter which was published on the NIGHTWISH web site at the same time. In the letter, the other members of NIGHTWISH wrote: "To you, unfortunately, business, money, and things that have nothing to do with emotions have become much more important."
NIGHTWISH keyboardist and main songwriter Tuomas Holopainen later called the decision to part ways with Turunen "the most difficult thing I ever had to do." For her part, Tarja said the way she was kicked out of the group proved that her former bandmates were not her friends. "Maybe one day I'll forgive, but I will never forget," she said.
In 2019, Turunen dismissed Internet chatter about her possible return to NIGHTWISH after her December 2017 onstage reunion with the band's then-bassist/vocalist Marko "Marco" Hietala during a "Raskasta Joulua" concert in Hämeenlinna, Finland.
"I know a lot of fans would love to see something happen, but it's a very long distance away," she told Kerrang! magazine. "Personally, I don't see anything happening with me and them, to be perfectly honest. Marco came a little later into the band; he wasn't there since the beginning. He was always a guy I was close to. Me and [NIGHTWISH keyboardist/leader] Tuomas Holopainen, however, haven't seen each other in a long time… but we have been in touch. It's not bad. The past is what it is; we can't change that. We can only change the future."
NIGHTWISH's authorized biography, "Once Upon a Nightwish: The Official Biography 1996-2006", was published in Finnish in 2006 and in English three years later.
Turunen's husband, Marcelo Cabuli, and his business partners later sued the parties behind the book for defamation. Named in the lawsuit were the publishing house Like Kustannus Oy and the author of the book, Marko "Mape" Ollila. Cabuli and his Brazilian business partners argued that the book includes false accusations and insinuations that have caused them suffering and financial problems.
The book blamed Cabuli for the events leading up to Turunen's dramatic expulsion from the band in late 2005.
In 2011, the Helsinki District Court dismissed Cabuli's lawsuit, ruling that the book — which criticized Cabuli on only a few of its 380 pages — did not detrimentally affect his work or reputation in South America. In addition, the court determined that Ollila did not maliciously portray Cabuli in a negative light.
Last summer, Holopainen said that NIGHTWISH would split up if the band's current singer Floor Jansen ever chose to leave.
Holopainen, who formed NIGHTWISH in 1996 with guitarist Emppu Vuorinen and Turunen, made the comment while discussing the departure of Hietala.
Pressed by U.K.'s Metal Hammer magazine about his 2019 statement that NIGHTWISH would disband if another member opted to depart, Tuomas said: "That's how I felt back in 2019, and that's also how I felt when Marko left. I take my words back when it comes to that. But if it would be Floor leaving, that's it, it's the end of NIGHTWISH. Absolutely, 100%."