Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/4
M:3/4
K:F
['A/>B/ c3/2 A/ G A F D', 'c A']  
X:1
L:1/4
M:3/4
K:F
 A/>B/ | c3/2 A/ G | A F D | C D F | F/ F3/2 F | F3/2 G/ A | B2 A/>B/ | c3/2 A/ G | A F D | C D F | 
 A/ A3/2 G | G F F | F2 || F/F/ | F A c | c3/2 d/ e | f3/2 e/ d | c A F | F G A | B2 A/>B/ | 
 c A G | A F D | C D F | A/ A3/2 B | G F F | F2 ||  