Conversation so far:
What did Dr. Dre do in 1984?
He became a DJ and also joined a musical group called World Class Wreckin' Cru
Did World Class Wreckin' Cru record any singles or albums?
They have five singles and two albums.
Did World Class Wreckin' Cru have any hit singles?
Their song Surgery was a big hit.
What happened in 1985 to Doctor Dre?
He continued to work with World Class Wreckin' Cru and released the album World Class.
Did World Class Wreckin' Cru ever go on tour?
Why did Dr. Dre relocate?
After brief attendance at a radio broadcasting school, he relocated to the residence of his father and residence of his grandparents before returning to his mother's house.
What happened to the band World Class Wreckin' Cru, are they still together today?
The band ended in 1987 when the members decided to work on other projects.

Question: Is there anything else you can tell me about this period of time in his career?
Self-contained rewrite: Is there anything else you can tell me about this period of time in Dr. Dre's career with World Class Wreckin Cru besides when Dr. Dre joined, singles or hits, albums, and ending of the band?