Ep 1: Pilot
The Generationals – When They Fight, They Fight
The Black Keys - Howlin' For You
The Airborne Toxic Event - Changing
Vampire Weekend – Oxford Comma
Charles Bradley – The World (Is Going Up in Flames)
The Veils – Grey Lynn Park
She Wants Revenge - Not Just a Girl
Sea Wolf - You’re A Wolf

Ep 2: Errors and Omissions
Foster the People - Houdini
Black Pistol Fire - Suffocation Blues
The Bees - Gaia
Charles Bradley - How Long

Ep 3: Inside Track
The Constellations - Perfect Day
The XX - Intro

Ep 4: Dirty Little Secrets
Foster the People - Pumped Up Kicks
The Album Leaf - Blank Pages

Ep 5: Bail Out
Eddie Hope & The Mannish Boys - A Fool No More
Kaiser Chiefs - Good Days Bad Days
Goodbye Motel - Killer With A Second Thought

Ep 6: Tricks of the Trade
My Morning Jacket - Holdin’ On To Black Metal
The Stereotypes - Perfect Girl
Splitter - I Don’t Rate Your Man

Ep 7: Play the Man
Peter Bjorn and John - Second Chance
Astrud Gilberto - The Gentle Rain (RJD2 remix)
The XX - Intro
The Heavy - Coleen (feat. The Dap-Kings Horns)
The Radio Dept. - Heaven’s On Fire
Willie Davis - I Learned My Lesson
Young Empires - Enter Through the Sun

Ep 8: Identity Crisis
Sharon Jones & The Dap-Kings - Something’s Changed
Broken Bells - Citizen

Ep 9: Undefeated
no songs listed (yet)

Ep 10: The Shelf Life
DJ Center feat. Zaki Ibrahim - Yes!
Gloria Lynne - Speaking of Happiness
Waldeck - Why Did We Fire the Gun?
Nicola Conte - Bossa Per Due
Henry Ford - Take Me For What I Am

Ep 11: Rules of the Game
Charles Bradley - The World (Is Going Up In Flames)
The Asteroids Galaxy Tour - Lady Jesus
JD McPherson - A Gentle Awakening

Ep 12: Dogfight
Alcoholic Faith Mission - Running With Insanity
Charles Bradley - Heartaches and Pain
Phoenix - Love Like a Sunset, Pt. I

S E A S O N
T W O

Ep 1: She Knows
Gotye - Smoke and Mirrors
Danny Lutz - Ain't Nuthin'
LCD Soundsystem - Yeah (Patrick J. Adams listened to this during the elevator scene to help him dance.)
We Are Augustines - Chapel Song

Ep 2: The Choice
Ernest Ellis - Want For Anything
NASH - There She Goes
The XX - Intro
Caught a Ghost - Time Go

Ep 3: Meet the New Boss
no songs listed (yet)

Ep 4: Discovery
The Spinners - Rubberband Man
Heartless Bastards - Got To Have Rock And Roll

Ep 5: Break Point
Mutemath - Blood Pressure
The Cinematic Orchestra (feat. Patrick Watson) - That Home

Ep 6: All In
Bajofondo - Pa’ Bailar (Instrumental Album Versión)
The Black Keys - Gold on the Ceiling
alt-J (∆) - Fitzpleasure

Ep 7: Sucker Punch
Mike Snow - Padding Out
Selah Sue - Peace of Mind

Ep 8: Rewind
Junip - Without You
Asobi Seksu - Thursday
Radio Citizen (feat. Bajka) - The Hop
Gardens & Villa - Spacetime
Hit Back - Afternoon
Lee Fields & The Expressions - Wish You Were Here

Ep 9: Asterisk
The Trammps - Disco Inferno
Perfume Genius - Normal Song

Ep 10: High Noon
Gary Clark Jr. - Bright Lights
Alexander - Truth
Nash - Armageddon Dance
LCD Soundsystem - Dance Yrself Clean
Gomez - Shot Shot

Ep 11: Blind Sided
Motopony - Seer
The xx - Fiction

Ep 12: Blood in the Water
Hit Back - Tag-along
Heartless Bastards - Marathon

Ep 13: Zane vs. Zane
The Black Keys - Moneymaker
The Heavy - Can't Play Dead

Ep 14: He's Back
Lee Fields - Let's Talk It Over
Explosions in the Sky - Your Hand in Mine (also used in Friday Night Lights TV show)

Ep 15: Normandy
Ruby Velle & The Soulphonics - It’s About Time
The Antlers - Rolled Together

Ep 16: War
Terraplane Sun - Ya Never Know
The Heavy - Short change Hero
The xx - Sunset
The Dig - Break the Silence
Six Def - I'm the King
Cody Chestnutt - Don't Wanna Go the Other Way

Source/s:
songsinsuits