Yeah Malik B from The Roots, he ain't gone
I took the wrong exit, the sign said Langhorne

from The Roots (Ft. Beanie Sigel) – Adrenaline Lyrics on Rap Genius

Meaning

Malik B jokes about his frequent absence from Roots live shows of the period by saying that he literally got lost and, instead of Philly, ended up in neighboring Langhorne, PA. This album would be Malik’s last as a full member of the group, so the line has some unintended resonance

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