Ice Cube's "Good Day" located JAN 30 2012
An internet sleuth used the lyrics of Ice Cube's It Was a Good Day to figure out when his exceptional day occurred.
CLUE 3: "The Lakers beat the Super Sonics"
Dates between Yo MTV Raps air date AUGUST 6 1988 and the release of the single FEBRUARY 23 1993 where the Lakers beat the Super Sonics...
Update: Someone fact-checked the original calculation and found it wanting. (thx, trevor)