And Just Like That

I saw something shiny and wandered away from my initial plan. I was going to spin up the Lorna's that I posted a few weeks ago, but then I stumbled on Mystery Stole 3 and was instantly sucked in. The recommended colors to use are black or white, and I just happen to have alpaca in both those "colors" staring at me. In fact, I have a bobbin half full of black singles already, but it's a bit heavier than what this calls for.

I think this works out perfectly, especially since I was still undecided on a pattern. I don't know what the story will be behind this pattern, but I've already picked out beads. As the first portion of the pattern is released at the end of the month, I think I have some spinning to do in order to stay on top of things and not fall too far behind. Now the question is, singles or 2-ply?