The Greek metal band Firewind has a new video with the vocalist of Avantasia band Herbie Langhans, who is also a producer, metal vocalist of several bands and a vocal coach.

The song “Maniac” is recorded in Valve Studio and produced by Gus G..

Avantasia band has also cover of the song.

Firewind will release their new live album “Still Raging”on 1st of September.