I think it's not a mistake to inform the MMD-readers about my work
concerning Conlon Nancarrow rolls and other 20th century music rolls.
All rolls are available in two versions:

1. 88-note standard with annotated dynamics/pedal (for playing with
hand-control);

2. Rolls for Ampico system with dynamics and pedal coding (for playing
automatically).

The rolls are not copies from other rolls but are newly drawn and
punched on the basis of music scores and/or existing rolls and tapes.
The prices vary from $15 to $100.

Here is an excerpt from my list:

Conlon Nancarrow:       Study No. 4
                        Study No. 13
                        Study No. 17
                        Study No. 26
                        Study No. 31
                        Tango?

Charles Ives:           In Re Con Moto Et Al

Erik Satie:             Sonatine Bureaucratique

Sergej Prokofieff:      Marsch aus: "Die Liebe zu den 3 Orangen"

Lyonel Feininger:       Fuge I
                        Fuge III
                        Fuge VI

Wolfgang Heisig
http://home.t-online.de/home/w.heisig/phonola.htm