Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/2
K:D
['BE E2', 'Adfd B2 AF FE E2 :|2 d2'  
X:1
L:1/8
M:2/2
K:D
 d2 cA BE E2 | EFDE FABc | dBcA BE E2 |1 Bded cABc :|2 B2 ed cdec |: d2 fd Adfe | d2 fd cdec |1 
 d2 fd Adfd | B2 AF FE E2 :|2 d2 fd cdec | dBAF E2 FA ||  