1. Techniques used
as with most of my music, heavily contrapuntal, even in parts that may seem "chordal". much use of polyharmony and stacked/layered chords, as well as brief forays into quartal harmony (which happens to marry well with polyharmony).
2. How long it took to compose
incredibly short time! this is the first time in over 20 years that I've completed a piece in such a brief time, actually. While the structural ideas have been in my head for over 10 years, I worked on these two movements over the space of one month. Although, since I work as a composer "full-time", that means 12-15 hours a day, 7 days a week.
3. The piece's structure
The first movement is sort of my take on a classical sonata form, while remaining "impressionist" in content. fanfare introduction supplies part of the thematic material, long "stately" main theme in the strings follows. A dreamy clarinet solo gives us the "second theme" over softly pulsing strings and harp, with bird chirps in the flute. This scond theme only returns before the recapitulation, again in solo clarinet, but with the low strings, horns and bassons playing a sort of aggressive fugal exposition based on the dreamy theme.
The first movement is called "Forêts Boréales" (Northern Forest) and tries to describe the grandeur and sense of depth I had while driving through the Laurentians. The mountains are absolutely gorgeous.
The second movement is a simple A-B-A "song form". An adagio, with cor anglais singing a melody full of suspensions and harmonic passing tones against a heavily quartal and polychordal string background.
This adagio (the first of two planned adagios in the symphony) is entitled "Prairies" and quite simply describes sunrise on the prairie, the approach, at first distant then gradually closer and then thundering by, of threshing machinery, and then sunset on the prairie.
The third movement is a sort of loose scherzo/rondo structure. It incorporates bits and pieces of various "national" songs from the maritime provinces as well as fragments of the Canadian national anthem.
4. Obstacles you ran into when composing
surprisingly few so far.... I think the difficulties will come when I tackle the next movement! I'm having a bit of writer's block at this point... I think it's more of a "writer's fatigue" than an actual block. I recently finished two movements of a viola sonata as well, so I should be happy at least that I'm producing more, and better quality, this year than I have in the last 10!
5. An overall summary
This is the "Sinfonia Canadensis: A Canadian Symphony / Une Symphonie canadienne" that I've dreamt of composing for nearly 15 years (since I drove across the country on a business trip). Each movement is meant to be able to stand alone as well, so there will be very little cross-referencing of themes, other than my normal use of thematic association. Which means, no cyclical form

which is my favourite approach.
1st movement "Forêts boréales" (Northern Forests)
http://www.dosblanc.ca/music/symphon...s_boreales.mp3
2nd movement "Prairies"
http://www.dosblanc.ca/music/symphon...2_Prairies.mp3
3rd movement "Maritimes"
http://www.dosblanc.ca/music/symphon..._Maritimes.mp3
the subsequant planned movements are
4 - Mist and Mountains (Pacific Interlude)
the second adagio
5 - Tundra and Glaciers (Northern Variations)