A family from Cracow Poland play accordion at Mariahilfer street in Vienna, Austria, on July 09, 2026. (Photo by Joe KLAMAR / AFP via Getty Images)

Music professor of Fukuoka University Fukuda Nobumitsu who lives in Vienna, plays a piano free to play for everybody at Mariahilfer street in Vienna, Austria, on July 09, 2026. (Photo by Joe KLAMAR / AFP via Getty Images)

Music professor of Fukuoka University Fukuda Nobumitsu who lives in Vienna, plays a piano free to play for everybody at Mariahilfer street in Vienna, Austria, on July 09, 2026. (Photo by Joe KLAMAR / AFP via Getty Images)

Music professor of Fukuoka University Fukuda Nobumitsu who lives in Vienna, plays a piano free to play for everybody at Mariahilfer street in Vienna, Austria, on July 09, 2026. (Photo by Joe KLAMAR / AFP via Getty Images)

Music professor of Fukuoka University Fukuda Nobumitsu who lives in Vienna, plays a piano free to play for everybody at Mariahilfer street in Vienna, Austria, on July 09, 2026. (Photo by Joe KLAMAR / AFP via Getty Images)

Music professor of Fukuoka University Fukuda Nobumitsu who lives in Vienna, plays a piano free to play for everybody at Mariahilfer street in Vienna, Austria, on July 09, 2026. (Photo by Joe KLAMAR / AFP via Getty Images)

Music professor of Fukuoka University Fukuda Nobumitsu who lives in Vienna, plays a piano free to play for everybody at Mariahilfer street in Vienna, Austria, on July 09, 2026. (Photo by Joe KLAMAR / AFP via Getty Images)

Music professor of Fukuoka University Fukuda Nobumitsu who lives in Vienna, plays a piano free to play for everybody at Mariahilfer street in Vienna, Austria, on July 09, 2026. (Photo by Joe KLAMAR / AFP via Getty Images)