The only things that are as impeccable as Harvey's suits and Mike's photographic memory on this show are the songs used in each episode.
Spotify: Season 1 // Season 2 // Season 3 // Season 4
SoundCloud: Season 1 // Season 2 // Season 3 // Season 4
I wish I did. If anyone can answer this question, it would be very much appreciated. For reference, here’s a picture of it: