Anybody have any suggestions on this? i heard there are some great venues to see some classical music. Any help would be great. tried google but didn't get a great answer. Thanks.
try googling 'what's on in Rome'. There is opera at the Terme, as well as classical music concerts ar indoor venues.
Here are 2 websites that might help.
http://rome.angloinfo.com/information/whatsonwhat.asp?cat=5
or here - this one even gives you directions via bus:
http://www.enjoyrome.com/tourist/cityguide/entertainment.html