Setting the scene
Stevie Wonder had won Album of the Year three times in four years with classics like Innervisions, giving him unprecedented leverage at Motown. He used a new synthesizer arsenal including TONTO and Fairlight to craft expansive soul. American bicentennial year invited reflection on Black excellence and social progress.
What happened
Songs in the Key of Life was released as a double album plus EP on September 28, 1976, with Sir Duke, Isn't She Lovely, and As. Wonder celebrated Duke Ellington, his daughter's birth, and global unity across 21 tracks. Sessions included Herbie Hancock, Minnie Risperton, and a young Deniece Williams.
Why it still matters
It debuted at number one, won Album of the Year at the Grammys, and remains a wedding-reception and radio staple. Wonder's peak is often dated to this release. Memorable detail: Isn't She Lovely includes audio of his newborn daughter Aisha crying and splashing in the bath at the song's end.
Background
Sir Duke and Isn't She Lovely became wedding-reception staples.