The new web service MixTape.me fills a gap left by MuxTape. You can’t upload your own tracks, but you can pull MP3s from all over the web, build a playlist and share it with your friends. Screenshot: MixTape.me We still miss MuxTape. The popular MP3-streaming service was shut down by the RIAA last year, […] The new web service MixTape.me fills a gap left by MuxTape. You can't upload your own track