What is a musical interval?
How many half steps are in an octave?
What interval is C to E?
What interval is C to G?
What is a tritone?
Hint: Medieval musicians called it 'diabolus in musica'
What are the 'perfect' intervals?
What interval is C to F?
Hint: Count C-D-E-F as four letter names.
If C to E is a major third, what is C to E-flat?
Hint: Lowering the upper note by a half step makes the third minor.