What metadata can I put in a project?

You can put any album related metadata in a project, as well as collaborators, recordings, projects, marketing links, task board, analytics and earnings.
 
The following metadata can be added to a project:
 
Title
Description
Primary artists
Featured artists
Record label
Status
Tags
UPC
C Line
P Line
Release date
Format
Catalog number
Genre
Subgenres
Artwork