My top 100 albums of 2015 based entirely on the total number of documented plays in iTunes, Google Music, Spotify, the Amazon Cloud Player, and physical media.  Every album on the list was purchased in some manner.

90-81

90. Motorgoat - The Iron Hoof Of Oppression

89.  kendric lamar - to pimp a butterfly

88. barbears - enter the bear 

87. hot beaver - vulcan death grip

86. texas chainsaw - dust lovers the wolf is rising

85.  black bear tribe - crime of the century

84.  david gahan & soul savers - angels & ghosts

83.  fakir thongs - habanero

82.  bandersnatch - barking in c

81.  arcade messiah - ii