Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/16
Q:1/4=120
M:4/4
K:C
['C2CD E2DE']  
X:1
L:1/16
Q:1/4=120
M:4/4
K:C
 C2CD E2DE F2EF | G2E2 C2CD E2DE D2CD | C4 C2CD E2DE F2EF | G2E2 C2CD E2DE D2CD | 
 C4 CDEF G2FE F2ED | E2C2 CDEF G2FE F2ED | E4 CDEF G2FE F2ED | E2C2 CDEF G2FE D2CD | 
 C4 CGEG CGEG CDEF | G4 DGFG DGFG DFED | C4 CGEG CGEG CDEF | G4 DGFG DGFG DFED | 
 C2E2 G2E2 G2F2 D2G2 | C16 |]  