Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:3/4
K:G
['', 'ED F2', 'ED F2 FD ED']  
X:1
L:1/8
M:3/4
K:G
 DEF |: G2 GFGA | B3 ABc | BA GF EF |1 E2 D2 EF :|2 G3 D ED |: F2 FD ED | F2 FD ED | cB AG FE | 
 FE DD ED | F2 FD ED | F2 FD ED | cB AG FA |1 G3 DED :|2 G3 ||  