Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:6/8
K:G
['g2 d']  
X:1
L:1/8
M:6/8
K:G
 B |"G" G2 G GBd |"G" g2 d dgf |"C" e2 d"Cm" c2 B |"A7" A2 G"D7" FED |"G" G2 G GBd |"G" g2 d dgf | 
"C" edc"G" BAG |"D7" A3"G" G2 |] g/a/ |"G" b2 b"D7" b2 a |"Em" g2 g"G7" g2 d |"C" e2 d"Em" e2 g | 
"A7" a2 g"D" fed |"G" b2 b"D7" b2 a |"Em" g2 g"G7" g2 d |"C" efg"G" dBG |"D7" A3"G" G2 |]  