I'd say it was him dilla. The database shows only a couple of myths and only one of them is BIO. This steam has the following names:
][Bio][ mYth{fu}|HnGOvR, ][Bio][ mYth{fu}, LaxWarrior, ][Bio][ mYth, ][Bio][ mYth|dienometay, ][Bio][ mYth|gosu, ][Bio][ mYth|gosu[.mp3], ][Bio][ mYth^R.I.P. [|MK4|], ][Bio][ mYth^mp3, ][Bio][ mYth^.mp3, ][Bio][ mYth-MuSiC, Inmate #001, mYthRiLiuS, [-.-t], [-.-t]-Drinkin!!!, PsYkO_n00b, [-.-t]-[-.-, [-.-t]-Not, [-.-t]_merc, [-.-t]-Testing
Maybe his mic wasn't working and he didn't realize you were trying to get his attention. Funny that he didn't come to the ban forum over it though.