How do I get in line to play music in the room

To play music or use the microphone (mic) in most rooms

you have to "raise your hand" or "Req Talk"

click on "req talk" microphone located at the bottom right

The "req talk" microphone will change to a

gold "stop" microphone and a little hand will appear

beside your nic.  Wait until you are called to the mic.

To "take your hand down" click on the

gold "stop" microphone