melody
A single number, such as 38978567796588 does not constitute a progression.
sequence
tone cluster APEX
Airthmetic Progression
melody
A chord.
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.
(chord) progression
progression
A chord.
When quantities in a given sequence increase or decrease by a common difference,it is called to be in arithmetic progression.
This is called a melody.