Nightwish frontman Tuomas Holopainen goes through the band's upcoming album Imaginaerum track by track in this video, recently shot by It's pretty interesting, discussing all the various sounds, from metal to jazz to what he describes as "Arabian death dance," that appear on the multifaceted CD. Some songs, according to Holopainen, are there specifically to serve the purposes of the accompanying film, while others are somewhat indebted to bands he admires like Paradise Lost and My Dying Bride.

Check it out below.

Nightwish's Imaginaerum will be released in the US on January 10, 2012, but you can pre-order a very special package that includes the CD, a second CD of instrumental tracks, four exclusive digital bonus tracks (delivered on January 10), an exclusive T-shirt, a lithograph signed by all the bandmembers, a digital download of the album on December 6 (a month before the CD's US street date), and a chance to win tickets to the band's epic one-off show in Los Angeles on January 21! All that for only $33.99! Click here to order!