Gantriis-Zimmermann Guitar Duo plays a selection of tangos from Argentina by Angel Villoldo, V.y H. Expósito, Aníbal Troilo-Homero Manzi and Astor Piazzolla (arr. by Pepe Ferrer), ‘Teyatá’ by Canadian composer Stephen Wingfield and Kora-music from Mali by Toumani Diabaté and Ballake Sissoko (arr. by Derek Gripper and Reza Khota) at the Grand Opening of IbenBooks.