Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:6/8
K:G
['GBG EDE GBd e2 d gBB B2', 'GBd efg dcB AGA']  
X:1
L:1/8
M:6/8
K:G
 GBG EDE | GBd e2 d | gBB B2 A | GEE E2 D | GBG EDE | GBd e2 d | gBB B2 A | BGG G2 z :: GBd GBd | 
 GBd ede | GBd efg | dcB AGA | GBd efg | dcB AGA | BGD D2 d | BGG G2 z :|  