Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/8
M:4/4
K:D
['D2 FA', 'f2 df'  
X:1
L:1/8
M:4/4
K:D
 D2 FA d2 cd | BAGB A3 A | BAGB ADFA | BAGF EGFE | D2 FA d4 | BAGB A4 | BAGB ABde | f2 eg fd d2 :| 
 f2 df eA de | fedB ADFA | BAGB ABdf | bagf egfe | f2 df e2 de | fedB A3 A | BAGB ABde | 
 f2 eg fd d2 :|  