Arvo Pärt is an Estonian composer. He invented the compositional technique tintinnabuli and became one of the most performed composers during his lifetime. Pärt released the albums Fratres with Camerata RCO and Jörgen van Rijen, Holy Minimalism - Tavener, Pärt & Górecki with John Tavener and Henryk Górecki, and Light with Veljo Tormis and Gregorio Allegri. His most popular songs include Spiegel im Spiegel performed by KaJeng WONG, Für Alina performed by Alexander Malter, and Aatomiku laul * the Song of Atom-Boy.