Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
M:4/4
K:D
['AF F2 DEFA dABF A2 Bc df', 'fddB Adfd edcd (3Bcd AF DEFD B,EGB'  
X:1
L:1/8
M:4/4
K:D
 AF F2 DEFA | dABF A2 Bc | df f2 bafb | afdf eB B2 | AF F2 DEFA | dABF A2 Bc | df f2 bafb | 
 afeg fddB :| Adfd edcd | (3Bcd AF DEFD | B,EGB degb | afdf eB B2 | AF F2 DEFA | dABF A2 Bc | 
 df f2 bafb | afeg fddB :|  