Create musical composition by adhering to the given musical structure represented by letters and integrating the given motif.
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
['B z B2 AG G2 FGAB d^c', 'B2 BEBE BE E2 GG/G/FE E2 E2', 'B4 cc A2 BB G2 |1 AEFG']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
|: B z B2 AG G2 | FGAB d^c =c2 | c z c2 BA A2 |1 GFEF ED D2 :|2 GF/F/ EF G4 |: BEBE BE E2 | 
 GG/G/FE FB B2 | BEBE BE E2 | GG/G/FE E2 E2 :: D2 G>A B3 c | dBGA B4 | cc A2 BB G2 |1 AEFG AGFE :|2 
 AEFD G z G2 |]  