SS501 #1 for "Most number of appearances" on Music Core @ Music Core #200 @ 20.02.10
As recorded and mentioned, they appeared for 5,012 times (in total) for Music Core.
It was recorded that they appeared for 48
Was that for in recent years only...?
Then Inki? Then MuBank?^^ Should go find out, kekeke
Wow say YAY! Shouldn't be surprised anyway, check out your collection, you should really be seeing quite many appearances on there.