Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
Q:1/8=100
M:4/4
K:G
['gd B/c/d/B/']  
X:1
L:1/8
Q:1/8=100
M:4/4
K:G
 G/A/B/c/ dg dBBg | dBBg d2{c} B2 | G/A/B/c/ dg dBBg | aAAB c2 BA | G/A/B/c/ dB c2 BA | 
 G/A/B/c/ dB ecdB | cAAB c2 BA | gd B/c/d/B/ gd B/c/d/B/ | gd B/c/d/B/ c2 BA | 
 gd B/c/d/B/ gd B/c/d/B/ | aAAB c2 BA |]  