Conversation so far:
What were some major collaborations for Kathleen Battle?
Among the conductors with whom Kathleen Battle has worked are Herbert von Karajan, Riccardo Muti, Zubin Mehta, Seiji Ozawa, Claudio Abbado, Georg Solti, Carlo Maria Giulini, and James Levine.
Is there anyone else that Kathleen Battle has worked with besides Herbert von Karajan, Riccardo Muti, Zubin Mehta, Seiji Ozawa, Claudio Abbado, Georg Solti, Carlo Maria Giulini, and James Levine?
Kathleen Battle's collaborations with other classical artists include flautist Jean-Pierre Rampal, soprano Jessye Norman, mezzo-sopranos Frederica von Stade and Florence Quivar, violinist Itzhak Perlman, and more.

Question: What types of work was she collaborating on?
Self-contained rewrite: What types of work was Kathleen Battle collaborating on?