Simplify the following text for a Grade 7 native English-speaking person.
Original: A Passion cantata is a cantata that takes as its theme the Passion of Jesus Christ , i.e. the hours , days , or weeks leading up to and including his crucifixion .
Simplified: A Passion cantata is a cantata . The cantata takes its theme from the Passion of Jesus Christ , in other words his suffering until his death at the cross .