“Friends in the Key of Life.”
Stevie Wonder’s Songs in the Key of Life was partially recorded at Crystal Studios in Hollywood. The chart-topping L.P. released in September of 1976. Daily 70s Ad #290: Crystal Studios, ‘Thank You, Stevie Wonder’ originally appeared in the October 16, 1976 issue of Billboard magazine.
(Source: Billboard)
Previously on Daily 70s Ad: Hot Wheels, ‘Snake’ Funny Car (1970)