Conversation so far:
What happened in the middle period?
The group's third studio release, 1993's Buhloone Mindstate.
was it successful?
The album was a critical success, but it was the biggest commercial failure for the group at the time of its release.
why was it a fauilure?
Many publications, such as Rolling Stone, have listed this album as one of the best hip hop albums of all time.

Question: did they win any awards?
Self-contained rewrite: did De La Soul win any awards?