Raymond Matthews Brown was an American jazz double bassist, known for his extensive work with Oscar Peterson and Ella Fitzgerald. He was also a founding member of the group that would later develop into the Modern Jazz Quartet.

Oscar Emmanuel Peterson was a Canadian jazz pianist and composer. Considered a virtuoso and one of the greatest jazz pianists of all time, Peterson released more than 200 recordings, won eight Grammy Awards, as well as a lifetime achievement award from the Recording Academy, and received numerous other awards and honours. He played thousands of concerts worldwide in a career lasting more than 60 years. He was called the "Maharaja of the keyboard" by Duke Ellington, simply "O.P." by his friends, and informally in the jazz community, "the King of inside swing".