Vos Silentii's Nolite timere -cd includes Medieval chants for archangels.
In the core of this cd are nine great responsories from the Matins of archangel Michael's day.
The nature of this cd is meditative. 
The cost of cd is 20 euros + postage.
hilkka-liisa.vuori@uniarts.fi 

The cd is also available..