Create a musical composition using the provided alphabet sequence and motif.
X:1
L:1/8
M:6/8
K:Bb
['_AFG A2 B', '.B2 F (Bd).f (fd).B (Bd).f f2 d']  
X:1
L:1/8
M:6/8
K:Bb
 e | dcB BcB | _AFG A2 B | _AFE D2 E | FBB B2 e | dcB Bd/c/B | _AFG A2 B | AFE{E} D2 E | 
 (FB).B .B2 || F | (Bd).f (fd).B | (Bd).f f2 d | e>fe ege | c_Ac e2 f/>e/ | d>cB BdB | _AFG A2 B | 
 GFE EDE | FBB B2 ||  