Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
Q:1/8=120
M:2/2
K:G
['G2 GB degd', 'E2 gabg afgd Bdde =f>gaf gabg aegd']  
X:1
L:1/8
Q:1/8=120
M:2/2
K:G
 G2 GB degd | e2 gd e>deg | G2 GB degd | e/f/g dB AG E2 :| gabg afgd | Bdde =f>gaf | gabg aegd | 
 e/f/g dB AG E2 :|  