Design a musical creation that involves the supplied motif and respects the established alphabetical structure.
X:1
L:1/8
M:2/4
K:G
['GGGB GGD z GBG z AGFE']  
X:1
L:1/8
M:2/4
K:G
 D | GGGB | GGD z | GBG z | AGFE | DBBD | GGGB | GGD z | GBG z | AGFE | DBB |]  