Keith Urban recently released (March 31) his new country-pop single, “Nightfalls.” The country crooner penned the high-energy love song alongside critically acclaimed songsmiths Greg Kurstin and Mozella. The two hitmakers have songwriting credits with Adele, the Foo Fighters, and pop icon Madonna. “Writing ’Nightfalls’ with Greg Kurstin and Mozella was pure joy,” Urban told Bang……