Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['BAG AGE DGA BAG', 'GBd efg', 'B/c/ d2 e/f/ gfe dBG']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 d/c/ | BAG AGE | DGA BAG | BAG dcB | BAA AGA | BAG AGE | DGA BAG | Bdg dBG | AGG G2 :| B | 
 GBd efg | dBG AGE | GBd efg | fdd def | gfe dcB | AGA BGE | DcB AGA | BGG G2 :| B/c/ | 
 d2 e/f/ gfe | dBG GED | DEG GAB | BAA A2 B/c/ | d2 e/f/ gfe | dBG AGE | DcB AGA | BGG G2 :|  