One of the (many) things I love about NYC is the abundance of street and subway performers. May it be a classically-trained prodigy giving an impromptu concert, a struggling musician performing for dollars (often with the wish that a record executive will "discover" them), or an out-of-luck bum drumming some beats on some upside-down plastic containers, you can bet that these performers add as much art and culture to the city as do those who play sold-out shows at Carnegie Hall. Heck, even street salesmen are world-famous performers here! This is precisely the reason I was so excited to read that NYC will soon follow in London and Sydney's footsteps to install street pianos in public places for anyone to sit down and...