Soundchecking now at Erarta Museum #SaintPetersburg #Russia Piano solo & prepared. #piano #pianos #pianist  #liveconcert #pianolive #pianoconcert #postclassical #pianokeys #classicalmusic #pianogram #pianotime #instamusic #instapiano #bechstein  #brunosanfilippo #modernclassical  #weloveclassicalmusic #contemporaryclassical