Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
M:2/2
K:D
['B/c/ dDFD', 'f/g/ afge']  
X:1
L:1/8
M:2/2
K:D
 A/B/c/ | dDFD dDD B/c/ | dDFD BEE B/c/ | dDFD dgfe | d/c/B A/B/c dDD :: f/g/ | afge fdd f/g/ | 
 afge eEE (f/g/) | afge fdec | d/c/B/A/ Bc dDD :|  