Avantasia is the musical project of German metal musician Tobias Sammet, best known as the frontman of the band Edguy. Combining symphonic metal with progressive rock elements, Avantasia has released multiple concept albums since 1999 that showcase Sammet's theatrical songwriting and his ability to collaborate with renowned metal vocalists. The project is celebrated for its elaborate storytelling, ambitious arrangements, and live performances featuring rotating lineups of guest musicians.