P643 CEEFAX 643 Sun 9 Apr 02:35/10   SATURDAY/SUNDAY  1500-0030  1500 Conversations with Craft An insight into the daily  rituals of Stravinsky 1700 Jazz Record Requests presented by Geoffrey Smith 1745 Music Matters Pierre Boulez  and George Steiner discuss the  meaning of history and  tradition in modern music 1830 Live from the Met with  Debussy's Pelleas et Melisande 2225 Studio 3: Our Lady of Shadows  Reinterpretation of Tennyson's  poem The Lady of Shalott 2310M0030 Impressions Review of new  books on the careers of Billie  Holiday and Gerry Mulligan  Radio Links 650 Radio 4 644 Radio 4 Radio 5 Sco/Ul/Wa World Svc