During 2013, Kiske took part in the Avantasia album The Mystery of Time, singing on the songs "Where Clock Hands Freeze", "Savior in the Clockwork" and "Dweller in a Dream".
У 2013 році Кіске взяв участь у записі альбому Avantasia The Mystery of Time, заспівавши на композиціях "Where Clock Hands Freeze", "Savior In The Clockwork" і "Dweller In A Dream".