Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/4
M:4/4
K:Gmin
['A G', 'G F G B A G G2']  
X:1
L:1/4
M:4/4
K:Gmin
 D |"B" G A B"D" G | F G"G" D2 | d c d !fermata!G | G F G"E" A | B A G G || D G2 G | F G B A | 
 G F"B" G2 |"^g" d d"B" c d |"^d" G3"^c" F | D C"B" D2 |"^g" D D C D | G"^Be" G2 ||  