Tabula rasa is Pärt's most extensive instrumental work. Inspired by the concerto grosso from the Baroque period - a small group of instruments, against the rest of the orchestra - the first movement, Con moto (with movement), features Vivaldi-like textures resulting from its use of static rhythms and homophonic structure. The prepared piano - in which different objects are put into the instrument, thus creating different starling sounds (in this piece screws between the strings) - makes a clear