Complex sentence: Simone recorded more than forty albums, mostly between 1958, when she made her debut with "Little Girl Blue", and 1974, and had a hit in the United States in 1958 with "I Loves You, Porgy".
Split into simpler sentences: Simone recorded more than 40 albums, mostly between 1958, when she made her debut with "Little Girl Blue", and 1974. She had a hit in the United States in 1958 with "I Loves You, Porgy".