Develop a musical piece incorporating the designated alphabet-based pattern and the supplied melodic theme.
X:1
L:1/4
Q:1/4=104
M:4/4
K:F
['[FA]2 c (c/A/) B c A', 'c2 e c f f e']  
X:1
L:1/4
Q:1/4=104
M:4/4
K:F
"^Moderato" [FA]2 c (c/A/) | B c A !fermata!F | F G [FA]2 | (B/A/) B [Fc]2 | [FA]2 c (c/A/) | 
 B c A !fermata!F | A G F2 || c2 e c | f f e !fermata!c | c2 e c | f f e !fermata!c | 
 [FA]2 c (c/A/) | B c A !fermata!F | (F G) A2 | (B/A/) B c2 | [FA]2 c (c/A/) | B c A !fermata!F | 
 A G F2 ||  