
Sometimes the connections linking different styles of the music are not obvious, other times the relationships are directly stated. "Work Song," a jazz classic by cornetist Nat Adderley with lyrics by Oscar Brown Jr., represents a conscious effort to acknowledge the debt modern jazz owes to an earlier form of music. The song is also a critique of the American system of injustice that prevailed during the first half of the 20th century. Just as there were differences from state to state and from time period to time period, these musical versions aurally illustrate diverse variations [...]