Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:6/8
K:G
['G GcB Bed d3 gfe dcB', 'd2 g fed d2']  
X:1
L:1/8
M:6/8
K:G
 G | GcB Bed | d3 gfe | dcB Adc | BAG G2 G | GcB Bed | d3 gfe | dcB AGF | GGG G2 :| !fermata!A | 
 ABc BAG | G3 B2 B | Bcd cBA | A3 d2 g | fed d2 g | fed d2 d | dBA GFE | D2 z d2!D.C.! |]  