
And then I realized that over time (and up until digital files), everything that played music has been based on rotation. Duh. I know, so obvious. But it was fun to keep thinking of examples.

Phonograph

Organ grinder

Nickelodeon

Music box

Casette tape

CD
Any more that I'm missing? I wonder if Steve Jobs got the click wheel idea from this.
Motivational credit: Photojojo linked to this picture of a pinhole camera sitting on a record while the turn table was spinning:

It inspired me to get this thought down before I forgot about it again. Cool, no?
EDIT 7 Sept | Zachary gave me two that I missed! Reel to reel and 8 track.

