Conversation so far:
What do you find most interesting about the musicians known as Tinariwen?
Tinariwen is a group of Tuareg musicians from the Sahara Desert region of northern Mali.
What happened in 1998 with Tinariwen?
In 1998, Tinariwen came to the attention of the French world music ensemble Lo'Jo and their manager Philippe Brix.

Question: What happened in 1999?
Self-contained rewrite: What happened in 1999 with Tinariwen?