Compose a piece using the specified musical pattern based on the alphabet notation and provided melodic motif.
X:1
L:1/8
Q:1/4=120
M:2/2
K:G
['DEGA B2 AG', 'edeg edcB']  
X:1
L:1/8
Q:1/4=120
M:2/2
K:G
 G | DEGA B2 AG | BAAG BAAG | DEGA B2 AG | BGGA BGG ::"^NB1" z | edeg edcB | eAAB eAAB | 
 edeg edcB | dGGA BGGd | edeg edcB | eAAB eAAB | edeg edcB | dGGA BGG :|  