Composing Music

Hi, I am learning my way into music theory with http://openmusictheory.com/ and now I am struggling to decide what I should use to generate what I learned. Code music feels something; how Csound vs. Supercollider discussion goes for some artist trying to compose? Am I better off with something like LMMS? More I can dig and learn, the better. Since I want to stick with a tool for a long time, being complex at the beginning does not bother me much.

My direction goes into developing a free game and living for some time inside a car. A low power usage when I am not connected to a power outlet feels something but I do not know how far energy usage goes in text code music vs. a daw