rhbz#1758816 enabled musicbrainz as the replacement for CDDB, and was incorporated into abcde-2.9.3-3 - however, this wasn't also pushed to F32. Upon upgrade to F32, abcde regresses to abcde-2.9.3-2 - which doesn't have the musicbrainz support enabled.
FEDORA-2020-fae2abd8b1 has been submitted as an update to Fedora 32. https://bodhi.fedoraproject.org/updates/FEDORA-2020-fae2abd8b1
FEDORA-2020-fae2abd8b1 has been pushed to the Fedora 32 testing repository.
In short time you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2020-fae2abd8b1`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2020-fae2abd8b1
See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
abcde-2.9.3-4.fc32 has been pushed to the Fedora 32 stable repository. If problems still persist, please make note of it in this bug report.