Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:4/4
K:F
['', 'F>E D>A,D>E F>EF>G A>G (3A=Bc', 'f>g a>fd>c']  
X:1
L:1/8
M:4/4
K:F
 F>E |: D>A,D>E F>EF>G | A>G (3A=Bc d>ef>g | f>g |: a>fd>c (3A=Bc f>g | a>fd>c d2 f>g | 
 F>AD>E F>EF>G | A>G (3ABc d>ef>g | a>fg>e f>ed>c | A2 d2 d2 :|  