Conversation so far:
What happened in De La Soul's early period?
De La Soul's debut album, 3 Feet High and Rising, released in 1989, was a critical smash hit in the hip hop genre.
How was 3 Feet High and Rising received?
3 Feet High and Rising is listed on Rolling Stone's 200 Essential Rock Records and The Source's 100 Best Rap Albums (both of which are unordered).

Question: What else did they do at that time?
Self-contained rewrite: What else did De La Soul after the release of the debut album, 3 Feet High and Rising?