Estonia; Haapsalu (German: Hapsal): stone bank in honor of Pjotr (Peter) Tchaikovsky (German: Tschaikowsky). Russian composer Pjotr (Peter) Tchaikovsky made holidays in Hapsal; in 1867; where he composed parts of his opera "Woiwode" (Voivode). As well; he dedicated the piano cyclus "Souvenirs de Hapsal"; to honor the city. As well; he composed here parts of his 1893 first performed 6th symphony "Patetique". The stone bank presents the first musical notes of the second part of "Patetique": idea giving was old Estonian popular song "Kallsi Mari" "Beloved Mary"; German: "Liebe Marie"). When touching a screen; people can here parts of his music.