Matthew Jehu Samuels, known professionally as Boi-1da is a Canadian record producer and songwriter based in Toronto, Ontario.

Not 4 Sale is the fourth studio album by Canadian rapper Kardinal Offishall, released September 9, 2008 on Kon Live/Geffen Records. It is his second international major-label album after Quest for Fire: Firestarter, Vol. 1, released in 2001. It was a critical success, and included the top five Billboard Hot 100 single "Dangerous", and the minor hit "Numba 1 ".