Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:Ador
['', 'CA,CE AGEA GEDB,', 'F EAAE ABcd eaed cAed cAAG AcEA']  
X:1
L:1/8
M:4/4
K:Ador
 (3A,A,A, || A,2 EA, (3CB,A, EF | G3 D B,D D2 | CA,CE AGEA | GEDB, B,A,A,G |1 EDEF G2 DG | 
 BGGF GDB,D | CA,CE AGEA | GEDB, A,2 (3A,A,A, :|2 E3 F G3 D | B,G, (3B,CD GDB,D | CA,CE AGEA | 
 GEDB, A,3 B || cEAc A3 G | E3 F G3 F | EAAE ABcd | eaed cAed | cAAG AcEA | cA (3AAA G2 d | 
 eBdB AGEA | GEDB, A,3 B :|  