The Concerto Copenhagen and the Estonian Philharmonic Chamber Choir celebrate the 90th birthday of Estonian composer Arvo Part. The new recording under the musical direction of the Estonian chorus master and conductor Tonu Kaljuste is the perfect 'birthday serenade' for their renowned compatriot. The repertoire includes "Silouans Song", "Stabat Mater", "Trisagion", "Berliner Messe", "Festina Lente" with a unique combination of historical/period instruments and contemporary choral singing.