On this day in music history: July 8, 1950 – “Mona Lisa” by Nat King Cole hits #1 on the Billboard Pop Singles chart for 8 weeks, also topping the Rhythm & Blues charts for 4 weeks on September 2, 1950. Written by Ray Evans and Jay Livingston, it is the thirty first single release for the legendary jazz and pop vocalist from Montgomery, AL. The song is featured in the film “Captain Carey, U.S.A.” starring Alan Ladd. Arranged by Nelson Riddle and with instrumental backing by Les Baxter & His Orchestra, Cole’s version of the song is featured on the film’s soundtrack. “Mona Lisa” wins the Academy Award for Best Original Song in 1951, quickly becoming a pop standard and is covered by numerous artists over the years, though Cole’s is widely regarded as the definitive version. Nat King Cole’s recording of “Mona Lisa” is inducted into the Grammy Hall Of Fame in 1992.