Conversation so far:
When did Afrika Bambaataa first start singing?
Bambaataa began hosting hip-hop parties beginning in 1976.
Did he have a lot of hits?
beat-box.
What were some of his hits?
Planet Rock.
did he do concerts?
In 1982, Bambaataa and his followers, a group of dancers, artists, and DJs, went outside the United States on the first hip hop tour.
did they make a lot of money?
CANNOTANSWER.
did they do any charity work?
CANNOTANSWER.
is he still singing?
CANNOTANSWER.

Question: what is the high tech ?
Self-contained rewrite: what is the high tech ?