Intimacy is manifested in every moment of “Radiator,” the debut album from Philadelphia’s Sadurn. This feeling of closeness, of being able to lend your every sense to one’s confessions of internal conflict, has carried over from the band’s origins as the solo bedroom-folk project of frontperson Genevieve DeGroot.

Now emerging as a four-piece with the addition of members Jon Cox, Tabitha Ahnert, and Amelia Swain, Sadurn delivers emotive indie rock on “Radiator” that explores the struggles and eventual beauty of grappling with multiple emotional realities, particularly when it comes to relationships. The album is a fleeting, impactful glimpse at one’s whole heart, and its sweeping, special nature is evident from the moment it opens.