Then I went from writing for Dre to wondering if my head was on straight

from Royce Da 5'9" – Merry Go Round Lyrics on Rap Genius

Meaning

When Dr. Dre album Chronic 2001 was being created Royce wrote songs for Dr. Dre like The Way I Be Pimpin' which was changed to XXXplosive. Royce wrote Dre’s part in The Message and various others. After the shit because of Kino Royce wonders if his head is on straight for sticking with Kino.

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