I read in another forum the AACW will have quite a few songs. I do like the effect in BoA of the music pausing for awhile before it comes back on. I am hoping that AACW will work the same way only choosing random songs, both at start and when the music resumes.
I haven't looked at this particular game in a while, but I'm pretty sure that the delay is an optional setting. I think you can choose between disabled, no delay, short delay, long delay, and, perhaps, medium.