Katharine Merlin's free audio downloads:

Katharine Merlin provides a guide to chart interpretation:

Learning Astrology: an overview: audio download (click to play MP3, right click and 'Save link as' to download MP3)

Katharine Merlin talks about the wild square between Uranus and Pluto that is currently going on:

The Uranus/Pluto Cycles: audio download (click to play MP3, right click and 'Save link as' to download MP3)