0–100 for how popular your artists are, from their Last.fm listener counts: ten thousand is about 40, a million about 60, ten million about 70.
WhohearsFree Last.fm tool
Last.fm Mainstream Score Calculator
A Last.fm username gets you a 0–100 mainstream score, a rarity percentile and one of five archetypes — live, no account. The Mainstream-O-Meter Last.fm retired, on today's listener counts.
Public profiles only. Nothing is stored, no password asked.
What the mainstream score measures
Each artist's global Last.fm listener count on a log scale, averaged across your top tracks — "how big are the artists you actually play".
| Artist's Last.fm listeners | Contributes |
|---|---|
| 10,000 | ~40 |
| 100,000 | ~50 |
| 1,000,000 | ~60 |
| 10,000,000 | ~70 |
The five listening archetypes
Underground Oracle
Your taste is truly unique — mainstream under 33, rarity 65+
Tastemaker
Ahead of the curve — mainstream under 50, rarity 55+, diverse library
Niche Collector
You dig deeper than most — mainstream under 50, a few artists dominate
Balanced Explorer
A mix of popular and hidden gems — everything in between
Crowd Pleaser
You ride the mainstream waves — mainstream 65+
A score is a mirror. A Dex is a window.
A score gives you no new track. Your Dex does: the songs your Last.fm friends play that you haven't heard.
Build your Dex — freeMainstream score questions
Same idea, computed live, with a rarity percentile and an archetype alongside.
1–99: how much of your listening is music most people never scrobbled.