Every week the Stereogum staff chooses the five best new songs of the week. The eligibility period begins and ends Thursdays right before midnight. You can hear this week’s picks below and on  Stereogum’s Favorite New Music  Spotify playlist, which is updated weekly. (An expanded playlist of our new music picks is available to  members  on Spotify and Apple Music, updated throughout the week.) 5 Kacey Musgraves & Miranda Lambert - "Horses And Divorces" Did Kacey Musgraves and Miranda Lambert  really  ever have beef with each other, or is it a story that they played up to make their reconciliation into more of an event? I don't know! Is the writing on "Hoses And Divorces" slightly corny and cutesy and self-impressed? Probably! But the total package absolutely works. Some of it is the classic honky-tonk arrangement, with its waltz time, lonely pedal-steel call-and-response moments, and trilling mariachi accordions.…