Espero que os sean de utilidad:
Dr. REX
http://m-pulso.m-audio.com/articles/may2003/reason_loops.php
Malström
http://m-pulso.m-audio.com/articles/august2003/malstrom.php
Matrix
http://m-pulso.m-audio.com/articles/june2003/matrix.php
Vocoder Digital BV-512
http://m-pulso.m-audio.com/articles/october2003/reason.php
Hardware Interface
http://m-pulso.m-audio.com/articles/december2003/reason.php
Reason y Live
http://m-pulso.m-audio.com/articles/march2004/live_reason.php