- FINALLY AVAILABLE AS PLATINUM EDITION: The Metal bestseller from 2002. Available as limited DIGIPAK (with silver finish) and colored double vinyl for the first time! Sensational chart entry on # 17 of the German Media Control Charts. The whole album was written and composed by Tobias Sammet (Edguy). Guest appearances: Michael Kiske (Ex-Helloween), Sharon den Adel (Within Temptation), Kai Hansen (Gamma Ray), Timo Tolkki (Ex-Stratovarius), Bob Catley (Magnum) and many more. Avantasia is one of the most famous metal projects of all times [!]