Turn left into Schofield Barracks McNair Gate. After passing the sentry, make an immediate right onto Ayres Avenue. Hale Kula Elementary School is on the left. *If you do not have a military base pass, you will need to enter through Lyman Gate (see map).
There are 12 possible keys any particular song can be played in. This is because of the 12 notes on the piano keyboard, A, A#/Bb, B, C, C#/Db, D, D#/Eb, E, F, F#/Gb, G, and G#/Ab. A song can be played so that any one of these twelve notes will be the tonal center or home base.
If you play in a key, it means you play a specific selection of notes, and not others. Every key has 7 notes. If you imagine the white notes on the piano, those are the ones which are in the key of C major. The C major scale (a scale is what you get when you play the notes in a key in order - up or down) starts at C and goes C, D, E, F, G, A, B, then back to C. The black notes on the keyboard are the sharps and flats.