How many interests can a single article be relevant to?

Electronic music. Communism. Alexander Nikolayevich Scriabin. Futurism. Alchemy and the occult.

There are a few times that I've wished that I were more mechanically and musically inclined. Alas, I lack the talent to ever build one, though given that it's played by drawing, I'm pretty sure I could actually play one.

ETA: Here it is being played (starts at around 4:17):