Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:2/2
K:D
['D2 AD BDAF', 'd2 fd Adfd g2 fg'  
X:1
L:1/8
M:2/2
K:D
 D2 AD BDAF | D2 AD BDAF | E2 BE dEcE | E2 Bc dBAF | D2 AD BDAF | D2 AD BDAF | G2 EF GABc |1 
 defd (3BcB AF :|2 defd (3BdB AB |: d2 fd Adfd | g2 fg eB B2 | d2 fd Adfd | g2 fg e2 Ac | 
 d2 fd Adfd | g2 fg edBc | dBBA Bcde |1 fdec dBAB :|2 fdfc dBAF ||  