This Stevie Wonder classic is an iconic blues-based groove combined with some very non-blues-based harmony.
Stevie sang all the parts and played all the instruments, including the sumptuous analog synth sounds designed with Malcolm Cecil and Robert Margouleff. Stevie’s brother Calvin Hardaway is the main character in the spoken interlude. Ira Tucker Jr of the Dixie Hummingbirds is the drug dealer, Stevie’s lawyer plays the judge, and a studio janitor is the corrections officer.
Here’s a live version:
There’s plenty of commentary out there about the lyrics. This essay by Rowan Ricardo Phillips is an especially good read on the line “New York, just like I pictured it, skyscrapers and everything.” But there isn’t much out there about the music.