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=120
M:6/8
K:Gmin
['f2 f', 'B c3']  
X:1
L:1/8
Q:1/8=120
M:6/8
K:Gmin
 d/e/ | f2 f f2 f | f3 def | g2 g f2 e | d3 d2 d | c3 F2 d | c3 GAB | c B2 B2 A | B3 B2 :: B | 
 c3 c3 | Bcd e2 G | cdc c2 B | c3 c2 f | f3 f c2 | d3 d G2 | c B2 B2 A | B3 B2 B :|  