Conversation so far:
What were Neil Diamond's popular songs in the 1990s?
Sweet Caroline
Did Neil Diamond record any albums in the 90's?
Neil Diamond produced six studio albums
What type of albums were these six studio albums by Neil Diamond?
two Christmas albums and two albums of mostly new material
Did Neil Diamond's Two Christmas albums and his two albums of mostly new material have any success in the 90s?
Neil Diamond's albums in the 1990s peaked at No. 8 on Billboard's Album chart.
Did Neil Diamond go on any live tours in the 1990s?
In 1993, Diamond opened the Mark of the Quad Cities with two shows on May 27 and 28 to a crowd of 27,000-plus.

Question: What else did Diamond do in the 90s?
Self-contained rewrite: What else did Diamond do in the 90s?