Check out this collection of 10 fixed - interval audio tapes in MP3 format with time intervals ranging from 10 seconds to 5 minutes and a tape duration of at least 30 minutes. (interventioncentral.org)
There are a few characters you can use, all of which you will unlock audio tapes for as you progress through the ranks which is a nice touch. (wolfsgamingblog.com)
During this course we learn a variety of meditation practices and practice them at home with audio tapes. (mindfulbirthing.org)