Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
Q:1/4=120
M:7/8
K:Emin
['[B,E]3 E2 [GB]2 [GB]3 [GB]3 A [CA]3', 'G2 [EA]2 G [EG]2 [EG]2 G2 A']  
X:1
L:1/8
Q:1/4=120
M:7/8
K:Emin
|:"^A""Em" [B,E]3 E2 [GB]2 | [GB]3 [GB]3 A |"Am" [CA]3 [CA]3 G |"Em" A B2 G2 GF :: 
"^B""A" [EA]2 G [EG]2 [EG]2 |"D" G2 A [DF]2 [DF]2 |"Em" [B,E]3 [B,E]4 | B3 B2 G2 | 
 [EA]2 G [EG]2 [EG]2 | G2 A F2 F2 | [B,E]3 [B,E]4 |"A" E3"Em" E2- E2 ::"^C""D" DEF GA AG | 
 c2 B"G" .B2 z2 |1"Am" c2 B cdcB |"D" A2 G"G" .G2 z2 :|2"Am" A2 G GAFD |"Em" E3 E4 |: 
"^D""D" d3 dc cB | A2 G"G" G4 | dGe dc BA |"A" B2"D" A A4 :|  