Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
Q:1/8=300
M:6/8
K:D
['Add dfa', 'afd ecA'  
X:1
L:1/8
Q:1/8=300
M:6/8
K:D
 A | Add dfa | e>fe/d/ dcA/A/ | Add dfa | gec d2 A/A/ | Add dfa | e>fd dcA | dfa dgb | A>Bc d2 :| 
 f/g/ | afd ecA | afd ecA | aec Bdf | cdB A2 A/G/ | FAd dfa | e>fe/d/ dcA | dfa dgb | ABc d2 :|  