The rapper who released his second album,"Epiphany" in 2007 had a guest appearance in 2008 on an album produced by which company? 
We Global:  This was his third album distributed by Koch Records (now Entertainment One Music), and the first released on his We the Best Music Group label. T-Pain:  In 2007, T-Pain released his second album "Epiphany", which reached number one on the US "Billboard" 200 chart.
i don't know