Three years <a href=" http://www.marineforum.co.uk/neurontin-for-chronic-pain-management.pdf#weekend ">use of neurontin tablets</a> Calleja began singing at the age of 16 and went on to win numerous international opera competitions. Now in his mid thirties, Calleja is considered one of the most promising young tenors of the 21st century. At his Summer Concert in Malta he aims to bring classical music to a larger audience.