Complex sentence: In March 2002 Kellerman performed in Los Angeles' "What a Pair", a benefit for breast-cancer research, joining singer-songwriter Julia Fordham for "Why Can't I".
Split into simpler sentences: In March 2002 Kellerman performed in Los Angeles in "What a Pair", a benefit for breast-cancer research. She shared the stage with singer-songwriter Julia Fordham for "Why Can't I".