Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
Q:3/8=90
M:6/8
K:G
['D G>AB g>ag fed e2 d e/f/gB', 'G2 D G>AB g>ag GAB A2 G'  
X:1
L:1/8
Q:3/8=90
M:6/8
K:G
|: D | G>AB g>ag | fed e2 d | e/f/gB ABc | BGG G2 |: D G>AB g>ag | GAB A2 G | g>ag/f/ eag | 
 fed"^NB" d2 g | gbg afd | e/f/gB ABc | d3 dgd | BGG G2 :|  