Here’s an article from Bachtrack’s ‘Piano Month’ on pianists and their gestures. Whether you love or hate Lang Lang’s extreme facial expressions and flamboyant OTT gestures, or feel the perfomer’s gestures should only serve the music, this is an interesting and thoughtful read.

Every age has its own tastes, its own aesthetic lines drawn in the sand. Since the 19th century, with its seminal guardians of musical decorum (Clara Schumann chief among them), pianists and their critics have debated the role of stage persona. Most outspoken are those who believe that a quiet, undemonstrative approach to the instrument – à la Arthur Rubinstein – best reflects a serious commitment to earnest musicianship. The corollary is presumed true as well: that excessive body movement or facial expressions can cheapen an interpretation or betray a lack of real understanding. Pianist Lang Lang, often insensitively derided as “Bang Bang”, is held in this case to be Public Enemy Number One. Our current notion of good taste is less extreme, and concedes that a bit of visual display can be acceptable and even beneficial, so long as it is a natural byproduct of a performer’s interpretation. Read more