Craft a musical work adhering to the specified theme and structure.
X:1
L:1/8
Q:3/8=100
M:6/8
K:D
['d2 f agf e2 f gfe fed', 'z f2 d cBA B2 A FED'  
X:1
L:1/8
Q:3/8=100
M:6/8
K:D
 d2 f agf | e2 f gfe | fed edc | dBG AFD | d2 f agf | e2 f gfe | fed edc | d3- d2 z :: f2 d cBA | 
 B2 A FED | DFD EGE | FAF FED | GBG AcA | Bed c>BA | dfd edc | d3- d2 z :|  