Oliver Hartmann

1999

• [ ] May Isang Pamilya (Mike) 

2000

• [ ] Live Show (Jake) 

2011

• [ ] Avantasia - The Flying Opera: Around the World in Twenty Days (Guitars & Backing vocals (lead vocals on tracks 10 and 16)) 

2014

• [ ] Tobias Sammet's Avantasia: Wacken Open Air 2014 (Guitar) 

2015

• [ ] Echoes - Barefoot To The Moon - An Acoustic Tribute To Pink Floyd (Acoustic Guitar, Vocals) 

2017

• [ ] Edguy – Live in Brazil 2004 (Vocals) 

2019

• [ ] Echoes - Live From The Dark Side - A Tribute To Pink Floyd (Guitarist and Singer) 

????

• [ ] Avantasia - Masters of Rock Argentina 2023 (Guitar)