How do you intergrate Bass lines into a song? I'v written Guitar before, but i usually just wrote the stuff then the drumemr came up with something, and the vocalists added the vocals, or I'd write music to vocals. But With bass, where does it come in? Should i put it in with the guitar rffs, or wait till the whole song is complete to add the bass? or write the bass first then compile around that? Which would be the best?