melody
A single number, such as 38978567796588 does not constitute a progression.
sequence
tone cluster APEX
Airthmetic Progression
A chord.
melody
A series of single tones that add up to a recognizable whole is called a melody. It is also the what forms the main part of a song or piece of music
dummy
A single number, such as 38978567796588 does not constitute a progression.
melody....... (definition out of the book: The Enjoyment of Music by: Kristine Forney & Joseph Machlis)
The tone of a single frequency is called a pure tone. This type of sound wave consists of only one frequency and is often used in experiments or testing hearing.
The guide tone lines for a chord progression are the notes that create the essential harmony and movement of the chords. They typically include the 3rd and 7th of each chord, which are the most defining tones.
progression
(chord) progression
A chord.
When quantities in a given sequence increase or decrease by a common difference,it is called to be in arithmetic progression.