Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:6/8
K:D
['B dBG', 'deg aga bge', 'D2 d']  
X:1
L:1/8
M:6/8
K:D
 B | dBG BAG | dBG G2 B | dBG AGE | GED D2 B | dBG BAG | B/c/dB BAG | AGA BAB | GED D2 :| B | 
 deg aga | bge edB | deg aga | bge e/f/ga | bag age | ged e/f/ge | dBG AGE | GED D2 :| d | 
 B2 G A2 G | B2 D D2 d | BAG AGE | GED D2 d | B2 G A2 G | B/c/dB BAG | AGA BAB | GED D2 :|  