Snow-covered bamboo leaves – Writing The Melodies

The melodies are written as below:

Now that I have the melodies, next is to determine the key scale which is A Major Scale.

That the key is A Major, the chords associated with this key is

A Major

B Minor

C Sharp Minor

D Major

E Major

F Sharp Minor

G Sharp Diminished

The Accidental Chords are

A Sharp Augmented

C Augmented

D Sharp Minor Augmented

F Augmented

G Major

Next is to do the Chord Progressions