Please answer the following question: - instrument is vocals    - death place is quezon city , philippines    - years active is 1963 -- 2004    - birth name is andrea ofilada veneracion    - death date is 9 july 2013    - genre is choral pop music music , classical music , folk music ,      - alias is ma'am oa    - birth date is 11 july 1928      - background is solo_singer    - birth place is manila , philippines    - associated acts is philippine madrigal singers    - occupation is conductor , composer , arranger , singer    Given the details above, guess who could this information be about.
Answer:
andrea veneracion