A handy guide to some of the main people involved and the US Top Ten singles they worked on.

Max Martin
Actual genius.
Worked on all the songs here, obvs.

Denniz Pop
Max’s mentor and creator of Cheiron Studios. Sadly died in 1998 aged 35.
‘Everybody (Backstreet Boys)’ by Backstreet Boys
‘Do You Know (What It Takes) by Robyn
‘Show Me Love’ by Robyn
‘…Baby One More Time’ by Britney Spears

Savan Kotecha
Former UK X Factor mentor and Shayne Ward collaborator turned Max mainstay.
‘DJ Got Us Fallin’ In Love Again’ by Usher
‘I Wanna Go’ by Britney Spears
‘Loser Like Me’ by the cast of Glee
‘One More Night’ by Maroon 5
‘Scream’ by Usher
‘Beauty And A Beat’ by Justin Bieber feat Nicki Minaj
‘Problem’ by Ariana Grande feat Iggy Azalea
‘Break Free’ by Ariana Grande
‘Love Me Harder’ by Ariana Grande feat The Weeknd
‘Bang Bang’ by Jessie J feat Ariana Grande and Nicki Minaj
‘Can’t Feel My Face’ by The Weeknd
‘Love Me Like You Do’ by Ellie Goulding

Rami Yacoub
Was asked by Max to join the Cheiron Studios ‘fold’ in 1998. The first song they collaborated on was the one listed below. Not bad.
‘…Baby One More Time’ by Britney Spears
‘Shape Of My Heart’ by Backstreet Boys
‘Oops!…I Did It Again’ by Britney Spears
‘It’s Gonna Be Me’ by *NSYNC

Andreas Carlsson
Part of Cheiron Studios until it closed in 2000. Lovely teeth.
‘I Want It That Way’ by Backstreet Boys
‘That’s The Way It Is’ by Celine Dion
‘It’s Gonna Be Me’ by *NSYNC

Lukasz Gottwald (Dr Luke)
You’ll have heard of him.
‘Since U Been Gone’ by Kelly Clarkson
‘Behind These Hazel Eyes’ by Kelly Clarkson
‘Who Knew’ by Pink
‘U + Ur Hand’ by Pink
‘I Kissed A Girl’ by Pink
‘Hot n Cold’ by Pink
‘So What’ by Pink
‘My Life Would Suck Without You’ by Kelly Clarkson
‘3’ by Britney Spears
‘Whataya Want From Me’ by Adam Lambert
‘Blow’ by Kesha
‘California Gurls’ by Katy Perry feat Snoop Dogg
‘Teenage Dream’ by Katy Perry
‘Last Friday Night (T.G.I.F)’ by Katy Perry feat Missy Elliott
‘E.T’ by Katy Perry feat Kanye West
‘The One That Got Away’ by Katy Perry
‘Dynamite’ by Taio Cruz
‘DJ Got Us Falling In Love Again’ by Usher
‘Raise Your Glass’ by Pink
‘Fuckin’ Perfect’ by Pink
‘Hold It Against Me’ by Britney Spears
”Til The World Ends’ by Britney Spears
‘Domino’ by Jessie J
‘Part Of Me’ by Katy Perry
‘Wide Awake’ by Katy Perry
‘Roar’ by Katy Perry
‘Dark Horse’ by Katy Perry feat Juicy J

Cathy Dennis
British songwriting royalty if you please.
‘I Kissed A Girl’ by Katy Perry

Benjamin Levin (Benny Blanco)
Former Dr Luke mentor turned proper production superstar in his own right.
‘Blow’ by Kesha
‘California Gurls’ by Katy Perry feat Snoop Dogg
‘Teenage Dream’ by Katy Perry
‘Dynamite’ by Taio Cruz

Shellback
Max’s former prodigy turned man most likely to usurp him.
‘So What’ by Pink
‘3’ by Britney Spears
‘Whataya Want From Me’ by Adam Lambert
‘DJ Got Us Falling In Love Again’ by Usher
‘Raise Your Glass’ by Pink
‘Fuckin’ Perfect’ by Pink
‘I Wanna Go’ by Britney Spears
‘Loser Like Me’ by the cast of Glee
‘One More Night’ by Maroon 5
‘Scream’ by Usher
‘We Are Never Ever Getting Back Together’ by Taylor Swift
‘I Knew You Were Trouble’ by Taylor Swift
‘Shake It Off’ by Taylor Swift
‘Blank Space’ by Taylor Swift
‘Style’ by Taylor Swift
‘Bad Blood’ by Taylor Swift
‘Wildest Dreams’ by Taylor Swift
‘Can’t Stop The Feeling!’ by Justin Timberlake

Claude Kelly
Has worked with Jessie J a lot actually.
‘My Life Would Suck Without You’ by Kelly Clarkson
‘Domino’ by Jessie J

Tiffany Amber
NOBODY KNOWS WHO SHE IS (I do, but I’m not saying).
‘3’ by Britney Spears

Bonnie McKee
Works a lot with Dr Luke. Has a sideline as a popstar as well.
‘California Gurls’ by Katy Perry feat Snoop Dogg
‘Teenage Dream’ by Katy Perry
‘Last Friday Night (T.G.I.F)’ by Katy Perry feat Missy Elliott
‘Dynamite’ by Taio Cruz
‘Hold It Against Me’ by Britney Spears
‘Part Of Me’ by Katy Perry
‘Wide Awake’ by Katy Perry
‘Roar’ by Katy Perry

Joshua Coleman (Ammo)
Producer man signed to Dr Luke’s publishing company.
‘E.T’ by Katy Perry

Henry Walter (Cirkut)
Referred to as “right-hand man and main production partner” to Dr Luke. Canadian.
‘Domino’ by Jessie J
‘Wide Awake’ by Katy Perry
‘Roar’ by Katy Perry
‘Dark Horse’ by Katy Perry

Sarah Hudson
Songwriter and founder of “club pop” music project, Ultraviolet Sound. Once supported Lady Gaga.
‘Dark Horse’ by Katy Perry

Peter Svensson
The guitarist from The Cardigans!
‘Love Me Harder’ by Ariana Grande feat The Weeknd
‘Can’t Feel My Face’ by The Weeknd

Ali Payami
A fairly new recruit and part of the Wolf Cousins ‘collective’.
‘Love Me Harder’ by Ariana Grande feat The Weeknd
‘Style’ by Taylor Swift
‘Can’t Feel My Face’ by The Weeknd
‘Love Me Like You Do’ by Ellie Goulding

Herbie Crichlow
British-born, Sweden-dwelling songwriter man with a love of hats.
‘Quit Playing Games (With My Heart)’ by Backstreet Boys
‘Do You Know (What It Takes)’ by Robyn
‘Show Me The Meaning Of Being Lonely’ by Backstreet Boys

Kristian Lundin
Joined Cheiron Studios way back in 1993 and still collaborates with Max.
‘Quit Playing Games (With My Heart)’ by Backstreet Boys
‘I Want It That Way’ by Backstreet Boys
‘Show Me The Meaning Of Being Lonely’ by Backstreet Boys
‘That’s The Way It Is’ by Celine Dion

Jörgen Elofsson
Original member of Cheiron, he also co-wrote Kelly Clarkson’s ‘Stronger (What Doesn’t Kill You)’. Amazing.
‘(You Drive Me) Crazy’ by Britney Spears

Per Magnusson
Another original member of Cheiron. Recently worked with Paul Potts.
‘(You Drive Me) Crazy’ by Britney Spears

David Kreuger
Another original member of Cheiron who worked extensively with Boyzone and Westlife.
‘(You Drive Me) Crazy’ by Britney Spears

Lisa Miskovsky
Had the original lyrical idea for the song below and released her own version called ‘Another Shape Of My Heart’.
‘Shape Of My Heart’ by Backstreet Boys

Klas Åhlund
Member of Teddybears and all-round production genius. Has done loads of amazing Robyn stuff.
‘Blow’ by Kesha

Allan Grigg (Kool Kojak)
Another of Dr Luke’s songwriting and production posse. 
‘Blow’ by Kesha

Mathieu Jomphe-Lepine (Billboard)
Canadian producer who also worked a lot on Robyn’s ‘Body Talk’ album.
‘Hold It Against Me’ by Britney Spears
”Til The World Ends’ by Britney Spears

Adam Anders
Glee’s Executive Music Producer.
‘Loser Like Me’ by the cast of Glee

Peer Åström
Writing partner of Anders Bagge and co-producer of most fo the Glee songs.
‘Loser Like Me’ by the cast of Glee

Sam Martin (SAMM)
Singer-songwriter man who had a UK Number 1 single with David Guetta in 2014.
‘Daylight’ by Maroon 5

Mason Levy (MdL)
Was partly responsible for Justin Bieber’s renaissance having co-written and co-produced ‘What Do You Mean’.
‘Daylight’ by Maroon 5

Anton Zaslavski (Zedd)
Cherubic German DJ and producer person.
‘Beauty And A Beat’ by Justin Bieber feat Nicki Minaj
‘Break Free’ by Ariana Grande

Ilya Salmanzadeh (Ilya)
Another member of Max’s Wolf Cousins collective.
‘Problem’ by Ariana Grande
‘Love Me Like You Do’ by Ellie Goulding
‘Bad Blood’ by Taylor Swift
‘Focus’ by Ariana Grande

Ahmad Balshe (Belly)
Palastinian-Canadian rapper and friend of The Weeknd.
‘Love Me Harder’ by Ariana Grande feat The Weeknd

Peter Carlsson
One fifth of Carolina Liar who signed to Max’s Maratone record label.
‘Love Me Harder’ by Ariana Grande feat The Weeknd

Rickard Göransson
One fifth of Carolina Liar who signed to Max’s Maratone record label.
‘Bang Bang’ by Jessie J feat Ariana Grande and Nicki Minaj

Johan Carlsson
One fifth of Carolina Liar who signed to Max’s Maratone record label.
‘Dangerous Woman’ by Ariana Grande

Justin Tranter
Former member of Lady Gaga-funded support band Semi-Precious Weapons turned songwriter du jour.
‘Hands To Myself’ by Selena Gomez

Julia Michaels
Singer songwriter in her own right, Michaels now writes for most A-list popstars, often with Tranter.
‘Hands To Myself’ by Selena Gomez

Robin Fredriksson
One half of production duo Mattman & Robin.
‘Hands To Myself’ by Selena Gomez

Mattias Larsson
The other half of the above.
‘Hands To Myself’ by Selena Gomez

Tove Nilsson
Massive bloody popstar and part of Wolf Cousins.
‘Love Me Like You Do’ by Ellie Goulding

Ross Golan
American songwriter who co-penned ‘Marilyn Monroe’ by Nicki Minaj.
‘Dangerous Woman’ by Ariana Grande

Oscar Holter
Has previously worked with the likes of Hilary Duff, Adam Lambert and Dame Carly Rae of Jepsen.
‘Just Like Fire’ by Pink

Sia
Keep an eye on this one, could be massive. Bit shy though.
‘Chained To The Rhythm’ by Katy Perry