P643 CEEFAX 643 Fri 20 May 21:16/19 FRIDAY/SATURD—Y 1700-0220 1700 The Music Machine Tommy Pearson explores Tchaikovsky's ballet The Nutcracker 1715 In Tune Schubert, Beethoven, Bernstein and John Tavjnjr 1855 Live from Covjnt Garden: Carmen Bizet's four-act opera based on Merimee's novel. Sung in French with Placido Domingo 2245 Friday Feature: Milena Jjsenska A portrait of the Czech author who was also Kafka's lover &5 2330-0030 Midnight Oil Violeta Dinescu, Gheorghj Costinescu and Martin Burlas 0100-0220 Night School see BBC2 635 & Radio Links 650 Radio 4 644 Radio 4 Radio 5 Sco/Ul/Wa Europe