Oliver Hartmann
Noto per
- Toro (2001)
- Tugatog (2000)
- Avantasia - The Flying Opera: Around the World in Twenty Days (2011)
- Avantasia - Masters of Rock Argentina 2023
- Tobias Sammet's Avantasia: Wacken Open Air 2014 (2014)
- Edguy – Live in Brazil 2004 (2017)
- Echoes - Barefoot To The Moon - An Acoustic Tribute To Pink Floyd (2015)
- May Isang Pamilya (1999)
- Echoes - Live From The Dark Side - A Tribute To Pink Floyd (2019)