Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:4/4
K:D
['d<DD>F E>DB,<(c d<)DD>F', 'd>ef>d g>fe<a'  
X:1
L:1/8
M:4/4
K:D
 (A/B/4c/4) | d<DD>F E>DB,<(c | d<)DD>F A(a/g/) f>d | g>af>g e>de<f | d<AB>d AFFA/B/4c/4 | 
 d<DD>F E>DB,<(c | d<)DD>F A>Bd>e | f>de>B d>FE<F | D>ED<A, B,DD || f | d>ef>d g>fe<a | 
 f>da>d b>da>d | g>af>g e>de>f | d>BA>F (A<dd>)f | d>ef>d g>fe<a | fe/d/ a>d b>da>d | 
 gg/a/ ff/g/ e>(gf>e) | d>BA>F D(dd) ||  