P643 CEEFAX 643 Fri 13 May 21:13/34 FRIDAY/SATURDAY 1700-0220 1700 The Music Machine The Tavjnju Festival at the Barbican 1715 In Tune Michael Prajtorius, Martins, Tchaikovsky, Poulenc 1930 BBC National Orchestra of Wbles Lzadov, Tchaikovsky and Stravinsky 2100 Dancing Ljdgj bz Derek Jarman 2120 Brahms String Quintet in F 2150 Messiaen Livre d'Orguj 2245 Friday Feature: L'Homme Armj The history of a medieval &5 crusader's song &5 2330-0030 Midnight Oil Jonathan Harvey, Martin Butler, Frances White and Andrew Milburn 0100-0220 Night School see BBC2 635 &upppppppppppppppppppppppppppppppppppppz & Radio Links 650 Radio 4 644 Radio 4 Radio 5 Sco/Ul/Wa Europe