Robot Piano Catches Fire Playing Rush E (World’s Hardest Song)

Summary by Krater

An exploration of the mechanics behind acoustic and player pianos, examining how hammers strike strings and how player piano mechanisms have evolved from paper rolls to solenoid actuators.

From the video

Answers: How do player pianos and acoustic piano action mechanisms work?

• Piano action mechanics
• Player piano history
• Solenoid piano actuation
• Fourier transforms in sound processing
• Acoustic piano engineering

What it concludes

• Pianos are classified as percussion instruments because of their hammer-like action.
• Bartolomeo Cristofori invented piano mechanisms to allow hammers to strike strings and quickly move away to avoid damping the vibration.
• Modern player pianos use solenoids with 127 levels of force to replicate human piano performances precisely.