Coinciding with the tour, the band will also release a digital-only collection of demos and B-sides titled "The Sound of Nightwish Reborn", available through all digital service providers, on September 2.

This release, which clocks in at nearly 70 minutes of music, retains "must-have" status for all Nightwish diehards, since it includes a bevy of exclusive material, such as demo versions of songs from the "Dark Passion Play" sessions that were recorded prior to Olzon joining the band and that feature Marco Tapani Hietala handling the vocals, as well as B-sides. - more on this story

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