/lit/ - Literature

>>20530726
You don't strictly have to, but you should consider it if you think you can pull it off. It can help characterize him and immerse the reader.
You don't have to frontload it. Do it when appropriate, ideally to serve multiple purposes. You also don't always have to put more than snippets.
The only thing I've read with rap in it was Modern Cannibals. Here's three excerpts. The third one comes near the end, and it's the only chapter where we get whole lyrics written out. The other two excerpts use snippets but the fact that they're concrete really enhances them.