Consider the following statements about the structure and features of Kaniyarkali:

1. The performance includes over fifty Porattu plays during the entire event.
2. In Vattakali, women from the Nair community dress up as men to perform martial steps.
3. Musical instruments like Chenda, Maddalam, Ilathalam, and Cherukuzhal are used during the performance.
4. The performers are led to the stage by a figure known as the Kaliyashan.

Which of the above statements are correct?