Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:3/4
K:G
['G4 GB']  
X:1
L:1/8
M:3/4
K:G
 GB | (d3 e) dB | G4 GB | (d3 e) dB | A4 DE | F3 G A2 | d4 EE | D3 E G2 | G4 GB | d3 e dB | G4 GB | 
 d3 e dB | A4 DE | F3 G A2 | d4 EE | D3 E G2 | G4 |]  