Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:2/4
K:A
['cB C>B, CD C2 A,C EC cB', 'A,3 G, A,C E2 C2 Ec B4', 'C>D Ec/B/ AC', 'DB, BA']  
X:1
L:1/8
M:2/4
K:A
"^A" cB | C>B, CD | C2 A,C | EC cB | A2 Ac | e4 | d2 c2 | B3 E | e2 (c2 | c2) B2 | A4 || 
[M:3/4][Q:1/4=52]"^B" A,3 G, A,C | E2 C2 Ec | B4 A2 | G6 | G,3 =G, ^G,B, | E2 D2 EB | A4 c2 | E6 | 
 A,3 G, A,C | E2 C2 Ec | B4 A2 | G4 E2 | B3 A GE | d2 G2 B2 | (A6 | A4) z2 || 
[M:2/4][Q:1/4=65]"^C" C>D Ec/B/ | AC E2 | C>D Ec | B4 | GB, E>G | Ee c>B | A4 | C>D Ec/B/ | AC EC | 
 D>E F/D/ d/c/ | B4"_Echo" z/{FdcB} | B,>C D/E/ G/B/ | e>d cB | A4 ||[M:4/4][Q:1/4=69]"^D" A,C | 
 EC cB A2 CE | DB, BA G2 B,E | DB, BA GE dG | A2 c2 E2 A,C | EC cB A2 CE | DB, BA G2 B,E | 
 DB, dB GF EB | A6 A,C | EC cB A2 CE | DB, BA G2 B,E | DB, BA GE dG | A2 c2 E2 A,C | EC cB A2 CE | 
 DB, BA G2 B,E | DB, dB GF EB | C>B, CD C4 |]  