Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
M:4/4
K:D
['B3 c dBAc B2 dB FGAF BABc', 'fddc Bafd a2 fd adfd cdef Bdfd'  
X:1
L:1/8
M:4/4
K:D
 B3 c dBAc | B2 dB FGAF | BABc defg | afba fdec | BABc dB A2 | BdBA FEFD | BABc defb | agba fddc || 
 Bafd a2 fd | adfd cdef | Bdfd bdfd | abag fddc | Bbfd adfd | adfd cd e2 | abba fedB | 
 A2 ba fedA ||  