Conversation so far:
What did Kathleen Battle do in 2000?
In August 2000, Kathleen Battle performed an all-Schubert program at Ravinia.
Did Kathleen Battle collaborate with anyone?
In June 2001, Kathleen Battle and frequent collaborator soprano Jessye Norman performed Vangelis' Mythodea at the Temple of Olympian Zeus in Athens, Greece.
What kind of collaborations did Kathleen Battle and Jessye Norman perform?
In 1990, Kathleen Battle and Jessye Norman performed a program of spirituals at Carnegie Hall with James Levine conducting.
What other performances did Kathleen Battle have besides her performances with Jessye Norman?
In 2006 Kathleen Battle and James Ingram sang the song They Won't Go When I Go in a Tribute to Stevie Wonder.
What did Kathleen Battle debut in after singing They Won't Go When I Go in a tribute to Stevie Wonder with James Ingram in 2006?
In July 2007 Kathleen Battle debuted at the Aspen Music Festival performing an all-Gershwin program as part of a season benefit.

Question: What other famous artist did she work with?
Self-contained rewrite: What other famous artist did Kathleen Battle work with besides Jessye Norman and James Ingram?