A cappella trio Black Sea Hotel’s distinct yet unified voices create a harmonic blend that is often called otherworldly, haunting, even spellbinding. The group gathers songs from master singers, archival field recordings, and large mid-century choral arrangements and boldly reimagines them, having carved out an unusual niche for themselves at the nexus between between Balkan folksong and new music. Repertoire ranges from lilting, chillingly sparse, and achingly beautiful to strident, tightly dissonant, and unpredictable