Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:2/4
K:D
['gf ed Bd eg/e/ dB', 'GD GA Bd eg/e/ dB']  
X:1
L:1/8
M:2/4
K:D
|: gf ed | Bd eg/e/ | dB AG/A/ | BA A2 | gf ed | Bd eg/e/ | dB AB/A/ | G2 G2 :: GD GA | Bd eg/e/ | 
 dB AG/A/ | BA A2 | GD GA | Bd eg/e/ | dB A/B/A | G2 G2 :|  