Record a demo.After you have a basic demo prepared, you can revisit it and listen for yourself. This will shed a fresh insight on the music and what it may need. Improve upon the demo version as you see fit. Because songwriting is a constantly evolving process, you may record several demos of the same song before you're done. Recording a demo will allow you to hear any changes you need to make in the song, and you'll be able to work out details like what to do with the back-up vocals or when the song should get more powerful
