Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:6/8
K:Amix
['e2 c d2 B c2 A B2', 'e>cA AcA'  
X:1
L:1/8
M:6/8
K:Amix
 e2 c d2 B | c2 A B2 G | B/c/dB g3 | dBG Bcd | e2 c d2 B | c2 A B2 G | B/c/dB a3 | ecA Acd :: 
 e>cA AcA | e>cA AcA | d>BG GBG | d>BG Bcd | e>cA AcA | e>cA AcA | B/c/dB a3 | ecA Acd :|  