It wont let me give the answer but if you translate this from Russain to English it gives you like this poem.
(Its a nice poem/song tho ngl)
It starts slowly, with only a few instruments. Gradually speeds up the tempo, gradually gets louder, adding more instruments....but the same tune is repeated over and over again. The single the,e achieves unity. The tempo and dynamic changes (Loudness, speed) give is the variety.
