Hi,  Does anybody know what programs generate MIDI roll punch graphics
such as in these videos?

https://www.youtube.com/watch?v=jRo8AZzTjRg
 
https://www.youtube.com/watch?v=EDZGq_m7nvw
 

Thanks in advance,
Martin Gutzmer

 [ I was fascinated and entertained by these.  I hope
 [ we find out!   --Jody