Traffic were an English rock band formed in Birmingham in April 1967 by Steve Winwood, Jim Capaldi, Chris Wood and Dave Mason. They began as a psychedelic rock group and diversified their sound through the use of instruments such as keyboards, sitar, and various reed instruments, and by incorporating jazz and improvisational techniques in their music.

Stephen Lawrence Winwood is an English musician and songwriter whose genres include blue-eyed soul, rhythm and blues, blues rock and pop rock. Though primarily a guitarist, keyboard player and vocalist, prominent for his distinctive soulful high tenor voice, Winwood plays other instruments proficiently, including drums, mandolin, bass and saxophone.