Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:2/4
K:D
['Addd fddd', 'afga gefg']  
X:1
L:1/8
M:2/4
K:D
|: Addd | fddd | gfee | (f/g/a) (f/g/a) | Addd | fddd | edef | d2- d2 :| afga | gefg | fdef | 
 ec A2 | afga | gefg | fdfb | a2- a2"^D.C." |]  