English: A piano roll is the music storage medium used to operate the player piano, pianola or a reproducing piano. The piano roll was the first medium which could be produced and copied industrially and made it possible to provide the customer with actual music quickly and easily. A piano roll is a roll of paper with perforations (holes) punched in it. The position and length of the perforation determines the note played on the piano. The roll moves over a device known as the 'tracker bar', which first had 58 holes, was expanded to 65 and then was upgraded to 88 holes (generally, one for each piano key). When a perforation passes over the hole, the note sounds.
This category has only the following subcategory.
- ► Audio files of piano rolls (14 F)
Media in category "Piano rolls"
The following 18 files are in this category, out of 18 total.
- Clapham High Street SW...
- Munich - Deutsches Mus...
- Music rolls, Museum Sp...
- National Music Centre...
- Vladimir Pachmann.jpg
- Player Piano & piano r...
- Player Piano Rolls.JPG
- Rex Lawson 01909.JPG
- Rex Lawson 01915.JPG
- Rotlles de pianola.JPG
- Vienna - Detail of an...
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