Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:4/4
K:Dmin
['Acdc edcA defg agfd', 'Ac (3def'  
X:1
L:1/8
M:4/4
K:Dmin
 Acdc edcA | defg agfd | AcdA c3 A | G A3 c d3 | Acdc edcA | defg agfd | Acdf e c3 | ac'ge fddc :| 
 Ac (3def gac'a | gac'a gfec | Ac (3def gac'a | gfef c d2 c | Ac (3def g a3 | c'gac' d'c'ag | 
 f d3 eceg | ac'ge fdec :|  