I've read in some screenplays (I think) where you use a general term for the character like:
"a MAN" or something like that and then when he's revealed you do the description and change to using his name noting the change in title.
I would use his name as his title from the beginning for the...
Or make a film like Airheads?
Do you think Michael Mann was in the wrong for writing it so that in Heat Waingro shoots Guard Two during the armored truck heist?
Not all characters think on the same level or react to the same situations the same way.
At least that's how I see it.
This is how I would phrase it:
You forget that it's a business!
Record execs are only gonna
sign you if you're making them ends.
If you can't do that, Shit, you're out.
hope that reads right.
I like maz's version of the response
I would advise you to listen to A LOT of rap songs and Urban Dictionary all the words you don't understand.
Try to listen to the sub-genre of rap you want your character to be a part of, rateyourmusic can help you define what genre you want your character to belong to and find music/slang that...