http://en.wikipedia.org/wiki/Hanns_Eisler
http://go20ccm.tripod.com/hechronik.htm
_ Hanns Eisler: Suite per orchestra n.5 op.34
https://youtu.be/LSY-oea55Y0
_ Hanns Eisler - Supply and Demand - Robyn Archer
https://youtu.be/4DgJZADHsyg
_ Hanns Eisler: Deutsche Sinfonie Op.50 (1935-48)
https://youtu.be/jgW_F3hT34Q