Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:6/8
K:C
['F2 A']  
X:1
L:1/8
M:6/8
K:C
 FFF F2 A | A2 G E2 G | G (F3/2 E/) F2 A | A (G3/2 ^F/) G3 | ECE G2 G | A2 B G2 c | B2 G A2 ^F | 
 G(B)A G3 |]  