Ebony and Ivory "Billboard" Hot 100 charts. At the simplest level, the song is about the ebony (black) and ivory (white) keys on a piano, but also deals with integration and racial harmony on a deeper, human level. The title was inspired by McCartney hearing Spike Milligan say "black notes, white notes, and you need to play the two to make harmony, folks!". The figure of speech is much older. It was popularised by James Aggrey in the 1920s, inspiring the title of the pan-African journal "The Keys", but was in use from at least the 1840s. Written by McCartney alone, the song
Stevie Wonder platinum-selling single album, and its single "Happy Birthday" was a successful vehicle for his campaign to establish Dr. Martin Luther King's birthday as a national holiday. The album also included "Master Blaster (Jammin')", "I Ain't Gonna Stand for It", and the sentimental ballad, "Lately". In 1982, Wonder released a retrospective of his 1970s work with "Stevie Wonder's Original Musiquarium", which included four new songs: the ten-minute funk classic "Do I Do" (which featured Dizzy Gillespie), "That Girl" (one of the year's biggest singles to chart on the R&B side), "Front Line", a narrative about a soldier in the Vietnam War