Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
Q:3/8=128
M:6/8
K:D
['_c2 e dcA', 'd cBA Bcd']  
X:1
L:1/8
Q:3/8=128
M:6/8
K:D
 A | FED DED | GEG _c2 e | dcA (e<f)d | ecA A2 G | FED EFG | AEG _c2 e | dcA GEA | DED D2 :| d | 
 cBA Bcd | efe e2 d | dcd (e<f)d | ecA A2 d | cBA Bcd | eag e2 d | dcA GEA | DED D2 :|  