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.

70-61

70.  Indian Handcrafts - Creeps

69.  spylacopa - parallels

68.  windhand - grief's infernal flower

67.  hell camino - hell camino 

66.  minsk - the crash and the draw

65.  psycroptic - psycroptic

64.  sevendust - kill the flaw

63.  el ten eleven - fast forward

62.  colin hay - next year people

61.  new intervals - the shape of colour