Applying to a O1 w/o a lawyer

Hey everyone,

I am a graphic designer & music producer from France looking to apply for the O1-B visa. Some friends who got approved sent me their O1 file.

I'm already reaching people to collect my documentation, recommendation letters, my deal memos.

When I'll be able to, I'll apply to become a member of the American Federation of Musicians (for music) and the Art Directors Club (for design).

My agent might be an American recording engineer who works at Westlake Studios (one of the most iconic music studios in LA) and also works for Sony Publishing ou a French producer living in LA who has a GC.

Do you think I could apply without a lawyer?

Thank you!