More information on Chinese Music is available on-line than perhaps anywhere else. Below is pretty much everything that I have found so far, and please let me know if there are any good ones that I've missed. Most of these are fan pages, but there are also some good articles (in English and Chinese). Enjoy!
Before you get started, you MAY want to download a Chinese character program, 'cause a lot of these pages will appear as gibberish without the correct software (for some of you, it may appear as gibberish anyways). There are a lot of Chinese browsers out there, some don't work, others turn EVERYTHING in your hardrive into Chinese (a bad thing if you're doing this at work). The one I've found that works really, really well, for both traditional and simplified (AND some Japanese) allowing for all differnt encoding systems is offered by
Yaogun
Band Fan Pages
Cui Jian
Iron Orchid (Yulan)
Tang Chao
Articles
Official Bad Boys or True Rebels? - by Geromie Barme, leading expert on modern Chinese culture (Human Rights Tribune, Volume III, Number 4, Winter 1992, pp. 17-20).
General
Tongsu
Ai Jing
Cobra
Soundfiles