4x01 You Have To Pick One This Time

"DIM" - SYML

4x02 There's No I In Team, or Whatever

"Magic in the Madness" - Lindsey Lomis

4x03 We All Knew This Day Was Coming

"You Stay by The Sea" - Axel Flovent

"Days Like This" - Dermot Kennedy

"If You Can't Be My Lover" - Navvy

4x04 See You On The Other Side

"Midnight Love" - Girl in Red

4x05 I Thought You'd Be Happier To See Me

"Be Still" - The Fray

"Tornado" - Little Big Town

"Dynamite" - Sam Tinnesz

"Judge and Jury" - Jesse Valenzunela

"Telepathy II" - Bill Laswell & Pete Namlook

4x06 You're A Long Way From Home

"Move" - Pretty Vicious

"Recovery" - Rose Betts

"Sh-Boom" - The Overtones

4x07 Someplace Far Away From All This Violence

"Secrets" - Laney Jones

4x08 You Will Remember Me

"Black And Red" - Reignwolf

"Not For Me" - Sarah Proctor

"Ave Maria" - Esther Choi Chung

"You Know I'm No Good" - Amy Winehouse

4x09 I Can't Be The One To Stop You

"Happiness Does Not Wait" - Ólafur Arnalds

"Love Is Just A Word" - Jasmine Thompson & Calum Scott

4x10 The Story of My Life

"World" - Landing

"My Evil Mind" - Jack Cook

"Hide and Seek" - Klergy & Mindy Jones

4x11 Follow the Sound of My Voice

"Remember Me Happy" - Alex Warren

4x12 Not All Those Who Wander Are Lost

"Warning Signs" - Dick Flood

"I'm Not Ok" - The Sweeplings

"Hipcats" - ATFC & David Penn

"Tragic" - Tommee Profitt & Fleurie

"Shake My Hand" - Merrell & The Exiles

"All Because of You" - All Hazan & Starr Sisters

4x13 Was This The Monster You Saw?

"I Like You" - Ai Bendr

"Outrun Myself" - Jack Kays & Travis Barker

4x14 The Only Way Out Is Through

"Living Proof" - The War On Drugs

4x15 Everything That Can Be Lost May Also Be Found

"Sleep On It" - The Dip

"Legalize It" - Slightly Stoopid & Ali Campbell

"Bringin' The Flavor!" - The Sabor! Brass Band

"Mad World" - 2WEI & Tommee Profitt & Fleurie

4x16 I Wouldn't Be Standing Here If It Weren't For You

"Minefield" - Chelsea Effect

4x17 Into the Woods

"Hold You" - Amos Lee

"Ghost Town" - Benson Boone

4x18 By The End Of This, You'll Know Who You Were Meant To Be

"With You" - Hannah Grace

"I Guess That Was Goodbye" - Lyn Lapid

4x19 This Can Only End In Blood

"Still / Sound" - Ólafur Arnalds

"All For You (Acoustic)" - Cian Ducrot

4x20 Just Don't Be A Stranger, Okay?

"The Dark" - SYML

"It's Time" - Imagine Dragons

"I Guess I'm In Love" - Clinton Kane

"Wake Up" - Tommee Profitt & YEAH

"It's Time" - Jordan Frye & Jean-Paul Barjon