+Ab3 denotes the A-flat [Musical Note](/wiki/Musical_Note) in the third octave. It signifies a distinct [Pitch](/wiki/Pitch) within the vast sound spectrum, often a foundational element in melodic structures.
+## See also
+- [Octave](/wiki/Octave)
+- [Scale](/wiki/Scale)
+- [Harmony](/wiki/Harmony)
... 1 more lines