The oracle that is the Belden Catalog (2006) sayeth:
Belden 8723 (2 pr, Common Jacket, Ind Shield): Red/Black, Green/White
That follows with 'white is opposite of black' line of thought (and that R/B is LEFT). I prefer 'White is hot', only because I've had that beaten into my head with Cat-V. Cable is cable (mostly) so, as W9 said, pick one and keep it consistent.
In reality, you should consider Gepco Zip. For 99% of stereo devices, you'll have to split to two different connectors and unless you cut the jacket way back, then shrink the pairs and the jacket, it'll be a really ugly mess. Only time I'd consider common jacket is for punch blocks or multiple control lines.
Procrastination I can totally do. I'm good at it, I have a black belt in procrastination, it's an art form for me, I'm the absolute King of, well, I'll finish this thought la