Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:2/2
K:D
['EG G2 Addc d2 af gefd ceAd', 'g2 fg']  
X:1
L:1/8
M:2/2
K:D
 ABAG EG G2 | Addc d2 af | gefd ceAd | =cdef ge^ce | dcAG EG G2 | Addc d2 af | gefd ceAd | 
 =cAGE AD D2 :| d2 af g2 fg | af (3gfe fdAB | =cdef gefg | afge (3fed ec | dAaf g2 fg | afge fdaf | 
 gefd ceAd | =cAGE AD D2 :|  