BLIND GUARDIAN bass player Oliver Holzwarth (most recently on tour with former NIGHTWISH singer Tarja Turunen) and his brother Alex Holzwarth (RHAPSODY OF FIRE drummer) held a “rhythm section” bass-and-drum clinic on November 22, 2008 at Blue Box in Siegen, Germany.
Source BLIND GUARDIAN bass player Oliver Holzwarth (most recently on tour with former NIGHTWISH singer Tarja Turunen) and his brother Alex Holzwarth (RHAPSODY OF FIRE drummer) held a “rhythm section” bass-and-drum clinic on November 22, 2008 at Blue Box in Siegen, Germany.
Source