Keith Jarrett will play three solo concerts in Brazil/Argentina in April 2011:

• April 6, 2011 (9 PM): Sala São Paulo, São Paulo, Brazil
  Tickets: ingressorapido.com.br / 4002.0019
• April 9, 2011 (9 PM): Theatro Municipal, Rio de Janeiro, Brazil
  Tickets: 21.3235.8545
• April 12, 2011 (8:30 PM): Teatro Colon, Buenos Aires, Argentina
  Tickets: teatrocolon.org.ar

Keith Jarrett, Gary Peacock, and Jack DeJohnette will play the following concerts in Europe next summer (more concerts should be announced soon):

• July 7, 2011 (8 PM?): Palais de la Musique, Strasbourg, France (Strasbourg Jazz Festival)
  Tickets: festival-strasbourg.com (on sale March 15)
• July 9, 2011 (8 PM): Opera House, Copenhagen, Denmark (Copenhagen Jazz Festival)
  Tickets: kglteater.dk
• July 12, 2011 (8 PM): Salle Pleyel, Paris, France
  Tickets: sallepleyel.fr (on sale March 14)
• July 16, 2011 (8 PM?): Pinède Gould, Antibes Juan-les-Pins, France (Jazz à Juan)
  Tickets: jazzajuan.fr (on sale April 6 at 9 AM)

Thanks to Anja, Fahim, Jacques, John, Marcos, and Mikkel for sending me information about these concerts.

Update (March 12, 2011). Tickets for the concerts in Paris and Antibes Juan-les-Pins will go on sale on March 14 and April 6 respectively.