ROLAND Jaquarello, well known as a theatre director here band in Britain, has recently been appointed Senior Radio Drama Producer at BBCNI, and is soliciting scripts. .. RTE Radio 1 is running a memorial poetry competition in honour of the centenary of the birth of Austin Clarke; top prize is £1,000 and the deadline is September 13th; details from 01 2083466 ..... Music for Wexford's Summer Series features a new violin built locally to a 1564 pattern; Gillian Williams will play the instrument at St Iberius Church at 1.05 p.m. on Saturday; Information from 053 23923