Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:4/4
K:F
['_DFAF CFAF GFDF GBB/B/B Acfa']  
X:1
L:1/8
M:4/4
K:F
|:"F" CFAF"Bbm" _DFAF |"F" CFAF GFDF |"Gm" GBB/B/B Acfa |"C" gfdc AGFD |"F" CFAF"Bbm" _DFAF | 
"F" CFAF GFDF |"Gm" GBB/B/B Acfa |1"C" gecE"F" F2 AF :|2"C" gecE"F" F2 AB |:"F" c2 fc acfc | 
 c/c/cac gcfc |"Gm" d2 gd bdgd | d/d/dbg agfd |"F" c2 fc acfc | c/c/caf"G7" g2 ga | 
"Bb" bagf agfd |1"C" cAGE"F" F2 AB :|2"C" cAGE"F" F4 |]  