Assemble a piece of music using the specified alphabetical notation and the supplied motif.
X:1
L:1/8
M:2/4
K:G
['', 'GD BG dB cA ed cB', 'dA fd af ge ba gf', "(c'.b) .b.b"]  
X:1
L:1/8
M:2/4
K:G
 GD |: BG dB | cA ed | cB cA | AG GD | BG dB | cA ed | cB cA | G2 :: dA | fd af | ge ba | gf ge | 
 ed dA | fd af | ge ba | gf ge | d2 || bb | (c'.b) .b.b | (c'.b) .b.b | c'b ag | gf bb | 
 (c'.b) .b.b | (c'.b) .b.b | c'b ag | f2 |]  