Marek Prusakowski - singer and songwriter who plays the classical guitar and piano. Author and composer of several student song standards. In 70s he was a co-creator of student cabarets on the Coast: "Jelita" and "Direction of evacuation". One of the first Polish translators and interpreters of Leonard Cohen's work. From the 70s to 1984, he cooperated with the Student Radio Agency. Moreover, for the duo Anna I Zbigniew Szukalscy he composed the songs "Nie ze mną" to the words Waldemar Chyliński and "Dróżnik" to the words of Stanisław Sierko. The first of them, duo won on festival Bazuna'74 in cabaret category, and second song in the same year on national competition "Bakcynalia" in Lublin. Thanks to this, the band began to be invited to all tourist song competitions in Poland. An internist-doctor by profession.