You’ve probably already seen these (the first two at least), but I added them here anyway. 
You can start a DJ in the Dream Diary section of the forum if you wish. Yes, you do dream most nights (if not all, though that’s most likely the case), the problem is remembering them. Once you start up a DJ and log fragments you’ll see your recall get better. 
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I don’t use mp3s myself, they’re too uncomfortable, but with WILD it’s all a matter of being sleepy enough in the first place. Do you use the counting method? That never worked for me, so I use a tweaked version. 
Feel free to PM or IM me if you’re interested.
–Wolbeh 