Produce a musical arrangement that complies with the dictated structure and the suggested theme.
X:1
L:1/8
M:4/4
K:G
['dBGB dBGB dBdg f2', 'dgBg dgBg'  
X:1
L:1/8
M:4/4
K:G
 B/c/ | dBGB dBGB | dBdg f2 ed | ecAc ecAc | edef gage | dBGB dBGB | dBdg f2 df | afge fdgB | 
 A/A/ABd e2 e :: e | dgBg dgBg | dgBg fedf | eaca eaca | ecef gage | dgBg dgBg | dgBg fedf | 
 afge fdgB | A/A/ABd e2 e :|  