Original: Ella Fitzgerald Sings the Cole Porter Songbook, released in 1956, was the first of eight multi-album Songbook sets Fitzgerald would record for Verve at irregular intervals from 1956 to 1964.
Simplified: A new album, Ella Fitzgerald Sings the Cole Porter Songbook, was released in 1956. It was the first of eight multi-album "Songbook" sets that she would record for Verve between 1956 and 1964.