What is located between the paws of the sphinx? (site 1)

In between the paws of the Sphinx is a stela, now called the "Dream Stela", which is inscribed with a story. The 18th Dynasty story tells of the time that Thutmosis IV fell asleep under the Sphinx which was covered to the neck in sand. Thutmosis had a dream that the Sphinx spoke to him and promised that if he would free the Sphinx from the sand, Thutmosis would be destined to become king of Egypt.

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."