Under the musical influence of AC/DC, Freddie Mercury (Queen), and Helloween, the typical power metal sound of his band, in which he mainly acts as a singer and frontman, emerged.

Initially planned as a once-in-a-lifetime studio project, he launched Avantasia again in 2006 and since then he regularly produced concept albums and rock operas.

[1][2] In 2011, readers of the Japanese Burrn Magazine ranked him best songwriter after he had released the two albums The Wicked Symphony and Angel of Babylon simultaneously.

The albums featured guest appearances by Klaus Meine, Eric Singer, Jon Oliva and Michael Kiske and contained 21 songs that had been solely written by Tobias.

[3] During a headliner show of the band Edguy at the Bang Your Head Festival in 2012, Sammet fell off the stage and broke his nose and several ribs.