The Royal Irish Academy of Music, at 35 Westland Row in Dublin, will be open tomorrow from 2.30 p.m. to 5.30 p.m. to students, teachers, guidance counsellors and parents. As well as a central information desk, a number of teaching rooms will be open to visitors. Current degree students will give short concerts at 2.30 p.m., 3.30 p.m. and 4.30 p.m. Music professors will be available in the areas of keyboard, musicianship, strings, wind/brass and opera.