Conversation so far:
What did Sugizo do in 1997?
After Luna Sea went on break in 1997, Sugizo started his own solo career  and opened the independent label Cross to produce other artists.
How did Cross help Sugizo?
Sugizo started his own solo career and opened the independent label Cross to produce other artists, as well as releasing his own records.
What is Truth?
Truth is Sugizo's first solo album.

Question: when was Truth released?
Self-contained rewrite: When was Truth by Sugizo released?