Mistheria is a Pianist, Keyboardist, Keytarist and Organist, producer and composer from Italy, engaged both in Classical and Metal music genres. Besides his solo career as performer and producer, Mistheria gained is name thanks to the several and prestigious collaborations, both in studio and live, with many artists and bands such as Bruce Dickinson (Iron Maiden), Roy Z (Rob Halford), Rob Rock (Chris Impellitteri), Neil Zaza, John West (Artension, Royal Hunt), John Macaluso (TNT, ARK, Y. Malmsteen), Mark Boals (Ring of Fire), Anders Johansson (Hammerfall), Marco Sfogli (James LaBrie), to name a few. Mistheria performed as soloist and as session player in Europe, USA, Asia both as Pianist/Organist and Keyboardist/Keytarist. His discography counts 70+ albums including his own and other bands productions worldwide. Mistheria's latest huge production is the "Vivaldi Metal Project - The Four Season" , all-metal-stars project featuring 130+ metal/classical artists, orchestra and choir.