 Fitzgerald recorded with Verve until the mid-1960s.Included in this era were a series of eight Song Book albums, with interpretations of the greater part of the Great American Songbook, with songs from the pens of Cole Porter (1956), Rodgers & Hart (1956), Duke Ellington (1957), Irving Berlin (1958), George and Ira Gershwin (1959), Harold Arlen (1961), Jerome Kern (1963) and Johnny Mercer (1964).Ella Fitzgerald released many stand alone singles throughout her Verve years.