His brother Darius is a guitarist .
From a musical family , Gerhardt is the son of a mother who sang coloratura soprano , and his father , Axel Gerhardt , was a second violinist of the Berlin Philharmonic Orchestra for over 40 years .
Gerhardt 's brother Darius is a guitarist .
From a musical family , Gerhardt is the son of a mother who sang coloratura soprano , and his father , Axel Gerhardt , was a second violinist of the Berlin Philharmonic Orchestra for over 40 years .