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
M:2/4
K:Gmin
['G>^F GA', 'AA dc BA GG A>c BA G^F']  
X:1
L:1/8
M:2/4
K:Gmin
 G>^F GA | BG AB | G>^F GA | BG A2 | G>^F GA | BGAB | G>^F GA | BG A2 || AA dc | BA GG | A>c BA | 
 G^F G2 | AA dc | BA GG | A>c BA | G^F G2 |]  