The standout tracks of 2015's first half have a positive air about them, whether it's Kacey Musgraves advising us on how life can be gravy, Young Thug knowing that good times are coming or Tame Impala ...

We were going to start this piece by swearing that five years isn’t really long. Then we considered all the things that happen that take less time. The typical high school education is four years. So ...