Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
Q:1/8=300
M:4/4
K:D
['A2 AG AB=cA', 'defd =cAAc']  
X:1
L:1/8
Q:1/8=300
M:4/4
K:D
 A2 AG AB=cA | G2 E=C GCEG | A2 AG AB=cA | BGAG FD D2 :| defd =cAAc | BGBd =cA A2 |1 defd =cAAc | 
 BGAG FD D2 :|2 defd =cAAA | (3B=cd AG FD (3EFG ||  