Predominant Function: The predominant function refers to chords that create tension and prepare for the dominant function. They often include subdominant chords like IV or ii in major keys.
Major Keys: Major keys are musical scales that have a major third interval between their first and third notes. They are commonly used in Western music and provide a bright and happy sound.
Passing Tone: A passing tone is an intermediate note that connects two other notes by stepwise motion. It adds melodic interest and smoothness to a musical line.