how to use a mic live

[thalamus]

i know your just going to link me m8s, and sorry if i haven't looked enough, i just have to goto work very soon, and trying to get all this set up, haev 2 questions, where do i see how many people are listening (server log?) and my frined says the songs that are playing are just sayin Unknown:Unknow, instead of the song name and title