Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:3/4
K:D
['d2 e2', 'd6 d/e/f/g/ a2 aaaa a2 bagf g2'  
X:1
L:1/8
M:3/4
K:D
 D2 DDDD | F2 FFFF | A2 AAAA | d3 e2 | fe d2 e2 | f>e d2 e2 | f2 gfef | d6 :| d/e/f/g/ | a2 aaaa | 
 a2 bagf | g2 gggg | g2 agfe | f2 ffff | f3 a gf | e2 eeee | e3 G FE :|  