It seems both tracks were destined for him before they ended up with B.o.B, according to The Journey Through Law School - click through for the story, and to download the tracks!
Lupe seems a bit out of place on Nothin’ On You, but gets some great lines in…
“You already know where my heart be at, the tempo my heart beat at”
“We stick together like we starting fires, thick as thieves, pickpockets at large”
“Kinda like Les Miserab-s, but we don’t play, Broadway’s for the stars”
“Temptation is a mother, but you’re like none other”