What the six boards are, how they are combined, and what is left out.
| Circle Chart | Circle Chart (KMCA) weekly digital chart 200. Official. Weight 1.0 |
| Apple Music KR | Apple Music Korea most-played 100, official RSS. 0.8 |
| TJ karaoke | TJ Media Top 100 (0.6) and Rising 100 (0.4). |
| KY karaoke | KY weekly popularity chart. 0.5 |
| Music shows | #1 on The Show, Show Champion, M Countdown, Music Bank, Show! Music Core and Inkigayo, compiled from English Wikipedia lists (CC BY-SA), 2012–. +0.5 per win within 14 days (max 1.0) |
| YouTube | RSS of 36 official channels. Views ÷ hours since upload, top 20 this week. 0.5 |
For each board we add (N + 1 − rank) ÷ N × weight, where N is the board size. Top 20 on four of six boards earns GRAND; #1 on one board plus top 20 on three earns CROWN. Scores, ranks and titles are recomputed daily at 05:35 KST.
Sentences come from data templates. Only pages whose fact hash changed are rewritten, and thin pages with fewer than two facts are not submitted for indexing. Song and artist names are resolved by external ID → normalised title + artist → unique title; ambiguous cases wait in a review queue.
Sentences, tables and data made by the site: CC BY 4.0. Music show win data: CC BY-SA 4.0 (from Wikipedia lists). Each board's raw data remains its provider's.