Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
Q:3/8=100
M:6/8
K:D
['DED dA=c BAG FGA BAG']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:D
 DED dA=c | BAG FGA | BAG FED | C/D/EE E2 F | DED dA=c | BAG FGA | BAG F/G/AE | FDD D3 |:  