Martti Rousi has earned international recognition as one of the leading Finnish string players. In 1986 Rousi won Silver Medal at the prestigious International Tchaikovsky Music Competition in Moscow. Since then he has performed with the leading Scandinavian and European orchestras like Helsinki, Stockholm and Oslo Radio symphonies, CBSO in Birmingham, Polish and Hungarian national symphonies, Copenhagen Philharmonic, Rheinland Pfaltz State Philharmonic, Shanghai and Johannesburg philharmonic orchestras, conducted by the likes of Esa-Pekka Salonen, Okko Kamu, Osmo Vänskä, Sakari Oramo, Olli Mustonen, Leif Segerstam, Valery Gergiev, Emmanuel Krivine, Bernhart Klee, Joseph Swensen and Muhai Tang. He often appears as a soloist with chamber orchestras including Moscow, Münich, Ostrobothnian, Tallinn and Toulouse chamber orchestras. Alongside his solo projects, the cellist has regularly appeared as chamber musician at major chamber music festivals in Europe and the U. S. Rousi currently continues his activities as Artistic Director of the Turku Music Festival (since 1993) and professor at the Sibelius Academy in Helsinki (since 1995).
Lelde Tīrele has graduated from Jazeps Vītols Latvian Academy of Music (JVLMA). The pianist regulary gives concerts, mainly with solists of Latvian National Opera and chamber orchestra „Simfonietta Rīga“. Currently she is lecturer at JVLMA Department of Chamber Ensemble and Piano Accompaniment, also accompanist for cellists, singers and conductors. Lelde Has been an oficial accomponist in several competitions for cellists and singers.