Written and first recorded (as “Funky Broadway Parts 1 & 2”) by Dyke & the Blazers (1966).
Hit version by Wilson Pickett (US #8/R&B #1/UK #43 1967).
From the wiki: “‘Funky Broadway’ was written by Arlester ‘Dyke’ Christian, and was originally recorded by his band, Dyke & the Blazers, in 1967. The song became a hit later same year when recorded by Wilson Pickett in a session at Muscle Shoals produced by Jerry Wexler.The song is notable as being the first charted single with the word ‘Funky’ in the title as well as being prototypical funk music itself.
“The ‘Broadway’ referred to in the title of the original is the Broadway Road (now known as Dr. Martin Luther King Jr. Boulevard) in Phoenix, Arizona, that was at the center of the culture and entertainment of the area’s African American community, and which was ‘Dyke’ Christian’s hometown at the time.”
Wilson Pickett, “Funky Broadway, Part 1” (1967):