“When you buy a Spirio—not you, necessarily; they run upwards of $110,000—it comes with an iPad loaded with a Spotify-like app. This app communicates with the piano via Bluetooth, prompting the piano to play any one of the 1,700 songs recorded specifically for the instrument. New songs will sync every week. By itself, an iPad-controlled piano is nifty, if not exactly a technological marvel. What makes Spirio different is that it can play songs with an unprecedented level of accuracy and nuance.”