Patented in 1953 by Robert Keaton, it's an improved version from an earlier model (also patented in 1936).
Its name says it all: it allowed typing music notation in a mechanized (and with higher quality) way.
One of those pieces that transcends its origins (soundtrack for the movie "A Beautiful Mind") and time itself.
Or.
The tale of how Roy van Rijn "re-invented" music matching in one spare weekend...
Rosheen Du/Roisin Dubh/Dark Rosaleen is a "lost" gem by Chameleon, appearing in their debut album and in the 1991 mini-series Chimera.
Featuring Olive Simpson's heavenly voice.
Blake Mills (plus Danielle Haim) in a (live) cover of Bob Dylan's Heart of Mine.
An interesting visualization technique that exposes regularities/patterns and repetition in musical compositions.
From the source:
The diagrams in The Shape of Song display musical form as a sequence of translucent arches. Each arch connects two repeated, identical passages of a composition. By using repeated passages as signposts, the diagram illustrates the deep structure of the composition.
Below, Madonna, "Like A Prayer":
Contrasting with, Chopin, "Mazurka in F# Minor":
Or.
How to conduct an audience.