Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
Q:1/2=60
M:2/4
K:G
['dB BG', 'B B dB gB dd d2 dB']  
X:1
L:1/8
Q:1/2=60
M:2/4
K:G
 g | dB BG | BB Bg | dB BG | BA AG | BB (c/B/A/G/) | Bd g2 | bg eg | d B B :: B | dB gB | dd d2 | 
 dB gf/g/ | aA AG | BB (c/B/A/G/) | Bd g2 | bg eg | d B B :|  