McFerrin, Czech Philharmonic Orchestra, hold open-air concert

American singer and jazzman Bobby McFerrin and the Czech Philharmonic held an open-air concert on Prague’s Old Town Square on Friday that was seen by 10,000 people, according to estimates. The concert on the packed square was free. Soloists included violin virtuoso Josef Špaček, clarinetist Tomáš Kopáček and violin cello player Jan Keller. The concert lasted 90 minutes and ended with a rendition of Swing Low, Sweet Chariot.