To see the royalties generated by a song or album in your catalog:
Log in to Curve from a computer https://app.curveroyaltysystems.com/login
In the left panel, click "Data", then "Analytics".
Under "Filter", in the "Field" field select "Release" if you want to see data for an entire release, or "Tracks" if you want to see data for one or more songs separately.
Select the release or song(s) you want from the drop-down list.
Click Go.
In the top left corner, you'll see the total raised for the release/song you've selected, under "Total Revenue."