Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
Q:1/2=80
M:4/4
K:G
['key/time sig. in DGGB FGAF DGGB cABG', 'Gefg af ge defg af g2']  
X:1
L:1/8
Q:1/2=80
M:4/4
K:G
"_No key/time sig. in MS" DGGB FGAF | DGGB cABG | cBAG FGAG | DGGB AF G2 :| Gefg af ge | 
 defg af g2 | Gefg af ge | defg af g2 | gd eB cA BG | DGGB cABG | cBAG FGAF"^NB" | DGGB AF G2 |]  