Spent four hours on FilePlay today. This app is going to involve quite a lot of hard work. My current status is this: FilePlay successfully streams multiple files from disk. On the iPhone it can handle about three stereo files. Not very impressive. Discovered the files Jay gave me were 24-bit. So I'll be able to stream more like 4 files easily. Still not super impressive. Next step is to be able to swap out one file for another mid-play. Tried doing this and am getting errors in fseek. Blowing off yoga in favor of programming. Went for a 25 minute walk today though.