Composer and singer A.R. Rahman is embarking on a concert tour again after a gap of almost two years . After the highly successful run of ‘Bombay Dreams’ at Westend , Rahman is now committed to a number of international projects , like ‘The Lord Of The Rings’ . Rahman is also working on his second composition for the Birmingham Symphony Orchestra and on the music score for Shekhar Kapur’s ‘Buddha’ . Even as the master composer goes about finding his new favourites , the multi-nation concert tour will keep him busy , as he goes to London . Amsterdam , Vienna , Sydney , Melbourne , Singapore and Bangalore .