SOUTH KINGSTOWN, R.I. — An 8-year-old composer and piano prodigy will give a solo concert Dec. 21 at the Brookdale South Bay Nursing Home.Ian Lin will play classic Christmas pieces on the piano, including "O Holy Night," "Ave Maria," music from the "Nutcracker" ballet and one of his own compositions.The concert, free and open to the public, is from 11 a.m.