Prototype Only For prototype purposes only. All content and images are not final and are only here to show what is possible.

Parent company

Digital Publishing Inc.

Digital Publishing Inc. is a software company dedicated to creating innovative educational products. We use our patented software, Practice Pal®, to create interactive digital books, including sheet music, instructional materials, and children’s books.

You can learn more about Digital Publishing Inc. and its products at www.digitalpublishinginc.com.

The people (from live /DPI)

Hossein ZamanianFounder and CEO
Dr. Ehsan Shafiee ZargarArtistic Director
Crystal EnnsMedia Producer
Hannah HughesMedia Producer, Graphic Designer
Cole AdamsMedia Producer
Justin CharoFull-stack developer
Cody MoyDirector of Development, Front-end developer

More projects by DPI

Sister projects (links out only — not TDL product proof): Guitar by Masters · Interlude Scores. Music partner logos are not used as school proof on this prototype.