IDK about the total play
But so far

Taylor Swift -1989
Ed Sheeran - X
Shawn Mendes - Handwritten
Kacey Musgraves - Pageant Material
Imagine Dragons - Smoke + Mirror

If it's 2015 exclusive albums I don't even know if I have 5

Froot
Rebel Heart
HBHBHB

I think that's it

POP MUSIC THE BEST GENRE IN THE WORLD "SEETHE"
•Madonna - Rebel Heart
•A One - Ayumi Hamasaki
•Hilary Duff - Breathe In. Breathe Out.
•Namie Amuro - Genic
•Carly Rae Jepsen - Emotion
•Kelly Clarkson - Piece by Piece
•Bonnie Mckee - Bombastic
•Mariah Carey - #1 to Infinity
•BoA - Kiss My Lips
•Koda Kumi - Walk of My Life

BONUS
•Ai Otsuka - Love Tricky
•Ciara - Jackie


GENERAL
•Zedd - True Colors
•Madeon - Adventure
•Rihanna - Home Soundtrack
•Allie X - CollXtion I
•Bjork - Vulnicura
•Years & Years - Communion
•Kendrick Lamar - To Pimp a Butterfly
•Snoop Dogg - Bush
•Tame Impala - Currents

2015 OLD MOST PLAYED

•1989 (This is just so incredibly catchy)
•Ray Of Light (No expiration date)
•The Archndroid (Art Masterpiece)
•Cheek To Cheek (My family loves it tbh)
•Zendaya
•Sound Of A Woman
•Rose ave
•5 Seconds Of Summer
•Beyonce
•Oral Fixation Vol 2

1. St. Vincent - St. Vincent
2. Exile in Guyville - Liz Phair
3. Strange Mercy - St. Vincent
4. Song to a Seagull - Joni Mitchell
5. Horses - Patti Smith

1. Madonna – Rebel Heart (1,320)
2. Marina & the Diamonds – FROOT (682)
3. Lana Del Rey – Ultraviolence (456)
4. Tove Lo – Queen of the Clouds (389)
5. Tinashe – Aquarius (352)

2015 only releases:

1. Madonna – Rebel Heart (1,320)
2. Marina & the Diamonds – FROOT (682)
3. Carly Rae Jepsen – E•MO•TION (302)
4. Tinashe – Amethyst (219)
5. Hilary Duff – Breathe In. Breathe Out. (200)

1. Ryn Weaver - The Fool (470 plays)
2. Glee Cast - Glee, Season 6 (224 plays)
3. Adam Lambert - The Original High (218 plays)
4. Carly Rae Jepsen - E•MO•TION (185 plays)
5. Jason Derulo - Everything Is 4 (168 plays)
6. Taylor Swift - 1989 (142 plays)
7. Meghan Trainor - Title (124 plays)
8. Tinashe - Aquarius (123 plays)
9. Nicki Minaj - The Pinkprint (116 plays)
10. Imagine Dragons - Smoke + Mirrors (109 plays)

Top 10 Albums:
1. Joanna Newsom - Ys (159 plays)
2. Taylor Swift - 1989 (133 plays)
3. Taylor Swift - Red (132 plays)
4. FKA twigs - LP1 (125 plays)
5. Carly Rae Jepsen - E•MO•TION (118 plays)
6. Sharon Van Etten - Are We There (116 plays)
7. My Bloody Valentine - Loveless (106 plays)
8. Fiona Apple - The Idler Wheel Is Wiser Than the Driver of the Screw and Whipping Cords Will Serve You More Than Ropes Will Ever Do (95 plays)
9. Taylor Swift - Speak Now (85 plays)
10. Grimes - Visions (75 plays)

Joris - Hoffnungslos Hoffnungsvoll
Marina and the Diamonds - FROOT
Zella Day - Kicker
Sam Hunt - Montevallo


I feel like XOV - Wild will be joining the list quite soon.