Claim: Hans Kockelmans composes for unusual instruments such as Phantastron, a type of electron tube oscillator or timer circuit, and has collaborated with Roman Turovsky on a few experimental compositions.
Evidence: He composes for such unusual instruments as Phantastron. He has collaborated with Roman Turovsky on a number of experimental compositions involving lute and torban. A Phantastron is a type of electron tube oscillator or timer circuit.