If a guitar instructor strums the E, Em, and E7 chords, one after the other, which musical concept are they most likely demonstrating? Group of answer choices:
A. Hand Synchronization
B. Timbre
C. Chord quality
D. Melody

C. Chord quality

Explanation:

If a guitar instructor strums the E, Em, and E7 chords, one after the other, the concept he is demonstrating is likely be

C. Chord quality

The instructor is trying to demonstrate the difference in sounds for different types of E chords. How different they in terms of sound and fingure position on frets.

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."