Oliver Hartmann

Avantasia - The Flying Opera: Around the World in Twenty Days

2011 · como Guitars & Backing vocals (lead vocals on tracks 10 and 16)

Toro

2001 · como Jake

Edguy – Live in Brazil 2004

2017 · como Vocals

Avantasia - Masters of Rock Argentina 2023

· como Guitar

Tobias Sammet's Avantasia: Wacken Open Air 2014

2014 · como Guitar

Echoes Barefoot To The Moon

2015 · como Acoustic Guitar, Vocals

Echoes - Live From The Dark Side - A Tribute To Pink Floyd

2019 · como Guitarist and Singer

May Isang Pamilya

1999 · como Mike