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
M:4/4
K:G
['', 'd/c/ B', 'G B d e f g2 f']  
X:1
L:1/4
M:4/4
K:G
 g/f/ |: e d/c/ B A | B G E D | G G G/A/B/c/ | d2 B g/f/ | e d/c/ B A | B G E G | F A D E/F/ |1 
 G2 G g/f/ :|2 G2 G d/c/ |: B d e f | g d B G | B d e f | g2 f g/f/ | e d/c/ B A | B G E G | 
 F A D E/F/ |1 G2 G d/c/ :|  