Mystical Wonders Discussion Group This is the #1 spiritual / mystical group in the world that encompasses literally all fields at one forum with tons of archived discussions and thousands members worldwide! Existing since 2003.
Instead of using a cassette tape, recording to an mp3 file will allow said file to be any length of time, limited only by the amount of space you're recording to. Then it can be put on repeat and played ad infinitum.