PERSON@1 di ORGANIZATION@1 -LRB- NUMBER@1 October NUMBER@2 -- NUMBER@3 September NUMBER@4 -RRB- was an MISC@1 operatic tenor , who also crossed over into popular music , eventually becoming one of the most commercially successful tenors of all time .

PERSON@2 -LRB- October NUMBER@1 , NUMBER@2 -- September NUMBER@3 , NUMBER@4 -RRB- was an MISC@1 tenor and one of the most popular contemporary vocal performers in the world .
