The List (2.0):
January 9, 2015 - Music Meeting
February 2, 2015 - Writing Session
February 3, 2015 - Writing Session/Recording Session
February 4, 2015 - Recording Session
February 5, 2015 - Writing Session/Recording Session
February 6, 2015 - Recording Session
February 7, 2015 - Recording Session
February 10, 2015 - Writing Session (?)
February 11, 2015 - Recording Session
February 12, 2015 - Recording Session
February 13, 2015 - Recording Session
February 17, 2015 - Recording Session
Writers/Producers:
Tove Lo
Elina Stridh
Jason Gill
Oscar Ozgo
Lalbino
Chris Barba
Ilya Salmanzadeh
Oscar Holter
Nadia Nair
Matthew Koma
I'm sure either the 12th or the 13th was just a writing session or both, but oh well. Can't know for sure.