Music: Theory 101: From Keys And Scales To Rhyth...

Sound "happy" or "bright." The formula is: W–W–H–W–W–W–H (Whole, Whole, Half...).

Notes are named A, B, C, D, E, F, and G. Half Steps & Whole Steps: Music Theory 101: From Keys and Scales to Rhyth...

A is the "home base" of a song, and a Scale is the sequence of notes within that key. Sound "happy" or "bright