Play with both hands and ten fingers (or two thumbs)
on PC-Keyboard, Tablet or Smartphone.

Play Piano or Accordion,
, Bayan-B, Piano- or 6+6-Accordion.

Furthermore this Site provides free Web-Applets, Concepts, Ideas and more
Music, Math, Design, and Philosophy

Play Piano here! Or play Piano-Accordion THE TRANSITION !
Up to now   different Computers have visited this Website. 

Gerd-Rainer Hamann
Designer (Dipl.), Mathematician (BSc), Programmer, Painter, Musician, Freelancer, etc..