Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/4
Q:1/4=100
M:3/4
K:G
['_B c d (c/=B/) G']  
X:1
L:1/4
Q:1/4=100
M:3/4
K:G
 D | G (G/F/) (G/A/) | _B c d | (c/=B/) G D | =F2 D | G (G/^F/) (G/A/) | _B c d | (c/=B/) G G | 
 G2 (c/d/) | e c e | (d/B/) c (e/d/) | c B G | =F2 D | G (G/^F/) D | _B c d | (c/=B/) G G | G2 ||  