The concert When Christ Is Born will be held Dec. 29 at the Royal Castle in Warsaw. The most beautiful Polish carols will be presented, in arrangements by Wacław of Szamotuły, Jan Maklakiewicz, Michał Dąbrowski and Tomasz Radziwonowicz.

The performers will include the More Maiorum Academic Choir of the Warsaw Agricultural University (SGGW) with Michał Dąbrowski as conductor, and I Solisti di Varsavia, headed by Tomasz Radziwonowicz, along with Jolanta Kaufman (soprano), Paweł Książkiewicz (flute) and Ewa Goc (organ).
Royal Castle, Grand Hall (Sala Wielka), 6 p.m., tickets available from the castle box office, 4 Zamkowy Sq.