Trial of the Triennium: This is a cool theme. I like used of woodwinds as the primary instruments covering the melody while accompanied by piano and strings. The oboe and bassoon in particular carry such distinct colors that they seem to give that reedy energy feel to the serious undertones of the piece. There is a sadness that is present initially, but toward the end, that sadness seems to lighten up slightly.
Arrival at Noon: This starts out with a much more upbeat feel that is really pleasant to listen to. I really like the use of the mallets doubling the flutes and then taking a countermelody in the second phrase. The harp-writing is very well done. Harp and woodwinds together give me a floral connotation that is simply peaceful. The transition back into the beginning with the string pulses is really cool.
Horizons of Hope: Now you finally introduce the brass! The brassy sound gives the initial theme a darker tone initially. The tension rises when the strings enter. But then at 1:25, the hopeful optimism finally arrives and the ending on the piano and strings is beautiful.