Develop a musical work using the identified alphabetic pattern and the supplied melody as a theme.
X:1
L:1/4
M:4/4
K:F
['A A']  
X:1
L:1/4
M:4/4
K:F
 c3/2 B/ A c | B A G F | c3/2 B/ A c | B A G F | A A A A | G2 F z | A A A A | B B B2 | G G G G | 
 c c c B | A A c A | G2 F z |]  