update: imgur album from /u/nickdynmo, estimated poster order by me

So far:

Phase 1:

• Florence and the Machine
• The Black Keys
• Ben Harper & The Innocent Criminals
• Hot Chip
• St Vincent
• Future Islands
• Chet Faker

Phase 2:

• Alt J
• Weezer
• Of Monsters and Men
• Kygo
• Robin Schulz
• The War on Drugs
• Tyler the Creator
• Tove Lo

Phase 3:

• Kendrick LAmar
• Caribou
• Angus & Julia Stone
• Charli XCX
• Gary Clark Jr
• George Ezra
• A Tribe Called Red
• Jessica Hernandez & the Deltas

Phase 4:

• Edward Sharpe & the Magnetic Zeros
• Patrick Watson
• Nas
• Schoolboy Q
• Oliver Heldens
• Young the Giant
• RL Grime
• Broods

Phase 5:

• Interpol
• The Decemberists
• Action Bronson
• The Kills
• Toro y Moi
• Arkells
• Bahamas

Phase 6:

• Run the Jewels
• MS MR
• First Aid Kit
• Twin Shadow
• Brodinski
• G-Easy
• What so Not
• The Rural Alberta Advantage

Phase 7:

• Milky Chance
• Christine and the Queens
• Alvvays
• Yung Lean & Sad Boys
• X Ambassadors
• Catfish and the Bottlemen
• Viet Cong
• Hermitude

Phase 8:

• Father John Misty
• Philip Selway
• Dusky
• Glass Animals
• Gold Room
• Young Fathers
• Twenty One Pilots
• Peking Duk

Phase 9:

• Marina and the Diamonds
• Daphni
• Ten Walls
• Shakey Graves
• Sylvan Esso
• Strand of Oaks
• Lion Babe
• Raury

Phase 10:

• The Avett Brothers
• Brand New
• Klangkarussell
• San Fermin
• Anamanaguchi
• Coasts
• Nothing
• Skylar Spence