It sounds like you're appreciating a performance or a specific recording by the , better known as the Red Army Choir (Kızıl Ordu Korosu). They are world-renowned for their powerful vocal arrangements, precision, and deep resonance, often described as a "solid" wall of sound.
: Features a hauntingly beautiful crescendo that mimics a cavalry approaching from a distance. KД±zД±l Ordu Korosu :
If you are looking for some of their most iconic "solid" tracks to listen to, here are the staples: It sounds like you're appreciating a performance or