Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/4
Q:1/4=165
M:4/4
K:G
['g g']  
X:1
L:1/4
Q:1/4=165
M:4/4
K:G
|:"^A" d | g g f e | d d e/f/ g | B B c A |1 G3 :|2 G d ^c =c |"^B" B G B d | g g e g | f d e ^c | 
 d2 e f | g g f e | d d e/f/ g | B B c A | G3 ||  