The video tutorial explains the concept of tonic in functional harmony, describing it as the home base in music. It discusses the role of tonic in chord progression and introduces the mediant and submediant chords, which have tonic functions. The tutorial also covers chord substitution and progression, using examples like the Office theme song and Aaron Burr's theme from Hamilton. The lesson concludes with a preview of the next topic, dominant area chords.

What is the significance of the tonic in functional harmony?

Describe the concept of resolution in music and its connection to the tonic chord.

Explain the relationship between the tonic chord and the three and six chords.

How does the six chord function in relation to the tonic chord?

What are some examples of chord progressions that illustrate the use of tonic, three, and six chords?