Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:1/4=100
M:4/4
K:D
['D d2', 'f>eda f>da>d'  
X:1
L:1/8
Q:1/4=100
M:4/4
K:D
 F | D d2 F A>dF>d | G d2 F{F} E2 E>F | D d2 F AdFD | C>A,B,>C D2 DE | D d2 F A>dF>d | 
 D d2 F{F} E2 E>F | D d2 F A>dFA | B>ABc{c} d2 d :: g | f>eda f>da>d | f>ed>f [eA]2 [eA]g | 
 f>eda fdaA | B>ABc{c} d2 dg | f>eda f>da>d | f>edg{f} e2 ef/g/ | a>fg>e f>de>c |{c} d>B AF D2 D :|  