The bot will only display what is on your Shoutcast server page. So if no metadata is sent to your server or your tags are wrong, that will happen.
I have never had any issues with chatters playing with that trigger. There are a number of ways to fix that by giving people privileges to your Bot.
On admin text or op text.
!tune and !ftune. It's just a trigger for chatters if they like the tune that's being played.
Typing !song displays "Playing (8) (*) . Those chars are just emotes for web chat, you can take them out.
