Rythm in Composition

I realized that I tend to layer a lot of things but often have them play through the whole section in whole notes (i. E. Having a Bass and Cello holding the Bass notes) Does anyone know any scores that show examples of creative use of Rythm? I. E. the violins in (I think) Hedwigs Theme seemed really interesting but I bet that I haven't even touched the surface of this topic.

13 minutes ago, ilv said:

Rhythm can be anything. What are you asking, specifically? I couldn't gather much from your post.

 

I was searching for either a score (or several if you know several) that shows ways to use rythm in a creative way? I tend to have very simple rythms in my scores, it makes them sound boring and similar. If you know a good explanation of Rythm (i.e. when it makes sense to use what kind of Rythm) maybe you could send me a link. Thx for your help :)

I think it's common to have the bass sustain notes; only play the root note of a chord and sustain it. With a cello, I consider those to be what *moves* a piece along but not necessarily play the melody; that subtle instrument that's kinda like the back wheels of a car. 

Sustaining both cello and bass throughout will sound weird as both instruments have a lot of bass in it. I would have the cello play it's own lines as you would a melody, then build a main theme on top of it.

Look at brass/string quintets, piano-less trios and small ensembles... observe what the bottom part is doing. Since holding on a single note has two boringness factors, you'll want to seek out examples rhythmic and melodic motion on the bottom.