Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:4/4
K:D
['FDFA d2 cA', 'edcB ABcd efge fage ed'  
X:1
L:1/8
M:4/4
K:D
 FDFA d2 cA | ABGA EFGE | FDFA d2 cA | (3ABc GE TED D2 :| (f/g/f/e/)fg fedf | efgf edcB | 
 ABcd efge | fage ed d2 | (f/g/f/e/)fg fedf | edef edcB | ABcd efge | fage ed d2 ||  