This one isn't based on anything specific, just wanted to write something with a lydian feel and try ending it with ascending major triads in tritones. The triads in question here are Cmajor to F#major. Even though it's sounds a little "out" it works pretty well since the #4 is already firmly in your ear once that section begins. The flute melody close to the end is the same as we've already heard but with quite a lot of ornamentation.
Here's the sketch:
This one starts out with a low string pedal that morphs into a sustained pad in measure 3 when the strings/horns/flutes come in. The low A holds down the key while the rest of the instruments plays an Eb major triad (Eb being the tritone to A). Very sci-fi like sound which is logical since I first heard this device on John Williams work on the Star Wars prequels.
Here's the sketch:
Been listening to James Newton Howard's score to Nanny McPhee again where I picked up parts of this device. Specifically it was the glock/violins/flutes Ostinato with the melody below it all in the celli that caught my ear in the original.
I've added the chords above the celesta staff. As the title of the post says it's triads in a tritone relationship. Well, technically it's not all triads since I use a Cmaj7, but the sound really comes from the movement to a triad built from the tritone.
Starts out with the melody in the low register and then works it's way upwards through the different instruments/registers. Since the melody starts out in the low register I introduce the bass little by little as the melody climbs higher.
Once it reaches the highest variation of the melody in the flute it's in a very strong and projecting register. Tried to really phrase the melody in a more idiomatic manner for the flute, instead of simply repeating the horn melody two octaves higher.
In red we have an element called a countermelody. The objective here is to have a secondary line that's melodic enough to be perceived as a melody, while at the same time not upstaging the primary melody. The easiest way to do this is to have it in a separate register from the main/primary melody, and also to rest when the other is active and vice versa. It's a very common element usually found on the re-statement(s) of the main melody, to add interest and energy to the piece.