Here’s an unreleased alternate version of Lupe Fiasco’s the Cool’s Japan Bonus track featuring Trey Songz. Same Lupe verses though.

Lupe Fiasco feat. Trey Songz – Blackout (Alternate Version) | Mediafire

Props to TeamSupreme.

Bonus: Lupe Fiasco – Blackout (off Lupe Fiasco’s The Cool)

Via: Nah Right