Wolfram Neumann is singer in the orthopedic singing quartett, pianist and organ player. They brought out this CD, another one "Der größte Arzt" and a Christmas CD! 1. Tenor: Wolfgang-Christian Baltzer2. Tenor: Dr. med Martin Röpke1. Bass: Dr. med. J.-Christian Wolter2. Bass: Prof. Dr. med. Wolfram Neumann Interview with Wolfram Neumann: https://www.youtube.com/watch?v=BdTMjyoLWtI In the interview he mentions his collection and his beneficial foundation. article Read more [...]