When a perfect or a major interval is made a half step larger without changing the numerical name.
Circle of Fifths
A diagram like the face of a clock that aids in the memorization of key signatures.
Must appear at the beginning of the staff in order to indicate which pitches are to be associated with which lines and spaces.
When a perfect or minor interval is made a half step smaller without changing its numerical name.
A combination of two staves joined by a brace, with the top and bottom staves using treble and bass clefs, respectively.
A pattern of sharps or flats that appears at the beginning of a staff and indicates that certain notes are to consistently raised or lowered.
A specific pattern of small steps (called half steps) and larger ones (called whole steps) encompassing an octave.
Melodic Minor Scale
A minor scale type which has an ascending form and a descending form. It lowers scale degree 3 when ascending and scale degrees 3, 6, and 7 when descending.
A modifier used only in connection with unisons, 4ths, 5ths, 8ves, and their compounds (11ths, and so on).
Indicates the precise pitch desired. An arrangement of five lines and four spaces that can be extended through the use of ledger lines.