Design musical compositions that conform to the indicated framework and encompass the proposed musical concept.
X:1
L:1/8
M:4/4
K:D
['D2 AD', 'fddc dfaf gbaf gfeg fddc defd ecAF'  
X:1
L:1/8
M:4/4
K:D
 D2 AD FAdF | A2 FA dBAF | D2 AD FAdA | BdAF GBAF | D2 AD FAdF | A2 FA dBAF | D2 AD FAdA | 
 BdAF GBeg || fddc dfaf | gbaf gfeg | fddc defd | ecAF G2 eg | fddc dfaf | gbaf gfeg | fddc defd | 
 ecAF GBAF ||  