Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
Q:1/2=60
M:2/2
K:G
['Bd B/A/G', 'g2 dB', 'dB dG']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:G
"G" d2 Bd B/A/G Bd | B/A/G Bd"Am" cA"D7" A2 |"G" Bd B/A/G Bd d2 | Bd"C" ce"G" dG G2 :: 
"G" G/A/G dB"C" ec"G" dB | G/A/G dB"Am" cA"D7" A2 |"G" G/A/G dB"C" ec"G" dB | Bd"C" ce"G" dG G2 :: 
"G" g2 dB g2 dB | g2 dB"Am" cA"D7" A2 |"G" g2 dB g2 dB | Bd"C" ce"G" dG G2 :|  