Question

During the 40's and 50's, Celia spent approximately 15 years with an Orquesta called

Answer 1

the orchestra was called Sonora Matancera

Answer 2

Answer: La Sonata Matancera

Explanation: If you are talking about Celia Cruz, in the 40s she joined La Sonata Matancera, replacing the previous singer Myrta Sylvia. Celia stayed in the Orquesta until the year 1965, then she went to Mexico and latter to the United States to continue with her career.