Answer
**Answer**: Aida. **Explanation**: "Aida" is one of Giuseppe Verdi's most renowned and celebrated operas. It is set in ancient Egypt and narrates the tragic love story between Aida, an Ethiopian princess, and Radamès, an Egyptian soldier. Pavarotti's portrayal of the character Radamès showcased his exceptional vocal prowess and dramatic abilities, making him one of the most acclaimed tenors to perform this role.