I'm one in a million

How could you deny me/
 1990 I been doing this since primary/ 
most despise but know thee flows like poison ivy/
 Grimy its all over/ took an average Joe too dotted line me finally though untie me oh so timely/ 
so tiny started daily nightly slightly rhyming tightly hoping one day I'll be mighty likely Westwood would invite me up on Friday/ 
P.I.E.R.R it started as a dream as far as arguably best artist to me I'm