lastfm

Install command: 
brew install --cask lastfm

Name: Last.fm Scrobbler

Music services manager

https://www.last.fm/

Cask JSON API: /api/cask/lastfm.json

Cask code: lastfm.rb on GitHub

Current version: 2.1.39

Current version requires: macOS >= 10.11

lastfm is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
lastfm 29
Installs (90 days)
lastfm 80
Installs (365 days)
lastfm 269
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