Prima ballerina Darcey Bussell has had to pull out of the Royal Ballet's run at the Belfast Festival, having hurt her ankle in a final leap in Manon - her part in Birthday Offering will be taken by other dancers . . . The annual Frankie Kennedy Winter School of traditional music in Dunlewey, Co Donegal, runs from December 28th until January 2nd - there are classes in flute, fiddle, uilinn pipes, button accordion and accompaniment, and concerts by Beiginish, Dermot Byrne, Altan and others (phone 075-32127/email gearoid@iol.ie/tlugh@iol.ie for information) . . . Free tickets are going for comedy gigs at An- drews Lane by Jason Byrne (Sunday, November 29th, phone 01- 6795720) and the Nualas at Whelans (Monday, December 7th, phone 01-4780766), which will be televised by the BBC . . . The annual Patrick Kavanagh Weekend takes place over the weekend of November 27th-29th, and includes a lecture by critic Eileen Battersby, a workshop by Leland Bardwell, a reading by Tom MacIntyre and a performance by the Armagh Rhymers (phone 042-9378560 for information) . . .