When I write, I go wherever my spirit and the music lead me. I don't plan it out at all, beyond the particular style and mood that I'm wishing to create. The music flows in any direction I'm feeling at the time. I don't mind going far off-base, as long as I don't lose the original goal completely...and as long as it makes sense, musically.
Exactly. It doesn't matter how the music is written as long as you're writing the music you want to write. That's the bottom line.
In my experience though, there are many different music-writing methods that are worth trying out, because sometimes I can make completely different kinds of music depending on the methodology.
For instance, if I abandon computers completely and write all my notes out by hand on manuscript paper using an acoustic piano, I can write music that sounds completely different than when I use Finale. If I write music by recording random phrases into an MPC and then sequencing those, I can do things that don't sound even remotely the same. Ultimately though, when I'm not just farting around and I need to produce music in an established style, I am the most comfortable using the method I mentioned....but everyone's different, and every musician approaches the "task" of music differently. That, and learning alternate music writing methods is in some ways more difficult than learning to play a new musical instrument.
I don't know how you guys write stuff down on paper. I tried it once...never worked out. I couldn't write music to save my life. I either burn things into my brain to remember later or record little pieces of music as WAVs and go back to it later on.
Like anything else musical, it takes practice. Since I had already played violin in orchestras for years before writing any music, I could already read music about as quickly as I read English, so it wasn't a big deal. From there, writing it was as natural as going for reading to writing English. This is especially true if you're a good sight-singer. I will say this though: if you simply record ditties of melodies and then regurgiate them later for your music making, you must have a really good ear!