Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:4/4
K:G
['', 'Bc ^c d2 d ef (3gag gd', '^Ac A =A2']  
X:1
L:1/8
M:4/4
K:G
 (3d^c=c |: Bc ^c d2 d ef | (3gag gd e d2 ^d | ed B A2 B c^c | dB GE cA FE | Bc ^c d2 d ef | 
 (3gag gd ed d^d | ed B A2 B c^c |1 dB A2 G2 (3d^c=c :|2 dB A2 G2 (3Bc^c |: dB GD cA FD | 
 GA B d2 ^c (3ded | dB GD cA FD | G2 D2 B2 d2 | (3gag fg e c2 e | (3fgf ef dB GA | 
 (3^A=A^A A=A GA (3^A=A^A |1 ^Ac A =A2 B c^c :|2 ^Ac A =A2 d (3d^c=c | dB GE cA (3E=F^F | G4 g4 ||  