Track hails from latest EP 'International Artist'
Seventh studio album arrives in the fall
Steve Earle makes a guest appearance on CMT series' penultimate episode
Track will appear on group's upcoming LP, 'Thank You for Today'
New song also references police brutality, National Anthem protests, Lil Peep, refugee crisis
When We All Vote campaign encourages ballot casting with help from Lin-Manuel Miranda, Janelle Monae
Sivan's sophomore album 'Bloom' arrives in August