Before I move on to give my opinion of "how to get a good recording of your vocal" I would like to invite opinions from the floor,(readers of the blog).
http://www.soundback.co.uk/mp3/INTERMISSION/All-Together-Now/5723-mp3-backing-tracks.php
I am the Backing Track Vocal Recording Guru and I can solve most if not all of your vocal recording problems.The largest and most consistant thing I have had to do in the 22 years of my time at the studio as an engineer is record the vocals of singers singing over backing tracks