daily:
artsjournal: the daily digest of arts, culture & ideas
arts & letters daily: philosophy, aesthetics, literature, language, ideas, criticism, culture, history, music, art, trends, breakthroughs, disputes, gossip. and all of this updated on a daily basis
rec.music.classical.contemporary
monthly:
la scena musicale on-line: a free monthly magazine published in english and french by la scàö√£ne musicale/the music scene, a non-profit organization dedicated to the promotion of classical music
also: