Who contributes the sole guest verse on Jay-Z's album that includes the song "Song Cry"?
Song Cry:  It was the fourth and final single from his sixth studio album "The Blueprint" and also appears on the 2001 live album "". The Blueprint:  Contrasting the radio-friendly sound of Jay-Z's previous work, "The Blueprint" features soul-based sampling and production handled primarily by Kanye West, Just Blaze and Bink, as well as Timbaland, Trackmasters and Eminem, who also contributes the album's sole guest verse.
i don't know