The (Dynamics/Beat/Rhythm/Audience/Pitc h), which is the regular pulse of the music is sometimes confused with the (Dynamics/Beat/Rhythm/Audience/Pitc h) of the music, which describes generally when events occur in a song.

can you explain it a little more so i can help

Explanation:

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."