The platform was a popular social online grid for music enthusiasts long before other services started popping up.
When you sign up, you build your own Last.fm user profile.
Groups and events are available as well.

Giving each a test is a good way to see how they stack up against each other.
Before you do that, here are a few elements that make Last.fm stand out in the crowd.
Personalized Music Recommendations
Last.fm focuses on recommending music to you based on your listening habits.
It lets you go in depth with individual bands and artists and stay on top of your listening history.
Many users prefer Last.fm’s exploring functionality over competing services'.
Last.fm has much more of a community vibe than you see almost anywhere else.
Songs you listen to are tracked and automatically added to your music profile.
Top Charts Feature for Hot Music
Last.fm users love its charts feature.
Last.fm generates detailed charts and stats based on users' personal tastes every week.
Try it yourself to see how you like it!