This is REALLY nice! Considering the time you only had this is God right impressive!
The first song had a really nice floaty feeling to it. The combination with your synth drone and string worked quite well and were nicely complimented by your use of the metallic percussions.
Second song created a nice tension while still feeling cohesive with the first song. At starting it reminded me a bit of The Rite of Spring second movement. I think getting your percussions roaring more by complimenting or accenting the strings would be a very nice addition. But still it sounded nice.
The third song is a nice touch to fade us out. It also had a nice ambience that tied very well to the first song and gave it somewhat of a meditative touch. Also the Modulation in the reverb tail was a nice detail.
All in all I’m very impressed.