“Hex” is the eighth studio album by the Spanish post-rock band. “Hex” is an album divided into two parts. One part consists of a single 22-minute track, titled “El Odio” (hatred), and another made up of four new tracks. Toundra operates in a fully instrumental post-rock register that is rather muscular and endowed with unsuspected depth, without any lapse in taste, both lively and melancholic.