Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
Q:3/8=100
M:9/8
K:G
['d B2 G (GA)G Bde']  
X:1
L:1/8
Q:3/8=100
M:9/8
K:G
 d | B2 G (GA)G Bde | =fc(A F)A c3 d | B2 G (GA)G Bde | (gf)g B2 c d2 (e/f/) | (gf)g (dB)G Bde | 
 =f2 c (AF)A c2 e | (dB)d e2 d egd | (BG)B (AF)A G2 ||  