Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:4/4
K:C
['.abc ||[M:2/2][K:Amin] (3Tc2', 'Tc2 (ec)', 'ceAe ceAe']  
X:1
L:1/8
M:4/4
K:C
 .abc ||[M:2/2][K:Amin] (3Tc2 (ec) gcec | Tc2 (ec) dBGB | Tc2 (ec) gcec | af{a}ge dBGB | 
 Tc2 (ec) gcec | Tc2 (ec) dBGB | cBAG ABcd | eaed ca a2 || ceAe ceAe | ceAe dBGB | ceAe ceAe | 
 af{a}ge dBGB | ceAe ceAe | ceAE dBGB | cBAG ABcd | eaed cA A2 |]  