What will the graph be about?
It will show the user how much they discovered/listened to the new vs their old. They can compare it with last week/year/month!

It will also show the comparison of discovery rates across ListenBrainz.

What kind of graph?
Bar graph

Additional handles?
A legend showing color mapping of user's, top, average and lowest discovery rates

Other summary stats to be shown
Discovered artist count
Old artist count