Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:4/4
K:G
['(3CDE F>Ac>=B d>cB>c A>F (3FEF C>FA>c B>AB>d', 'c>f (3fef']  
X:1
L:1/8
M:4/4
K:G
|: (3CDE | F>Ac>=B d>cB>c | A>F (3FEF C>FA>c | B>AB>d g>fe>d | d>c=B>d c>_BA>B | c>f (3fef a>fc>A | 
 (3BAB d>B c>AF>A | G>CE>G c>=Bd>c | B>[CG]D>E F2 :: A>B | c>f (3fef c>fa>f | c>AF>A C>FA>c | 
 B>dG>F E>Gc>=B | d>c=B>d c>_BA>B | c>f (3fef c>AF>A | G>^FG>A B>dg>f | e>dc>=B _B>CD>E | 
 (3FEF A>G F2 :|  