Blogdog - Blog by Karen Norteman frequently intertwined with the life of Maine composer Gregory Hall. - http://www.saltysheepdog.blogspot.com/
Gregory Hall: Inventing Musical Language - Official site. Provides biography, an exploration of both his comtemporary classical and his electro-acoustic works including samples in MP3 audio format, discography, writings, links, and contact information. - http://www.gregoryhall.org
Gregory Hall: Nonpop New Music Composer - Background material including his musical evolution and deeper entry into minimalism, especially under the influence of Ned Rorem with RAM audio comments and picture. From Kalvos and Damian's New Music Bazaar. - http://kalvos.org/hallgre.html