Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:2/4
K:F
['ac ab gc ga', "c'>b a>g f2 |1 f/f/f/f/ f>e d>c"]  
X:1
L:1/8
M:2/4
K:F
"F" ac ab |"C7" gc ga | bb/a/ bc' |"F" ba/g/ fg | ac ab |"C7" gc ga | c'b/a/ ba/g/ |"F" fa f z :: 
"Bb" d/d/d !>!b2 |"F" c/c/c !>!a2 |"C7" g>f ed |"F" Pdc cc |"Bb" d/d/d !>!b2 |"F" c/c/c !>!a2 | 
"C7" g>c de |"F" fa f z ::[K:Bb]"Bb" d/d/d/d/ de | fd b2 |"Eb" g/g/g/g/ gb |"Bb" f2 d2 | 
"F7" c'/c'/c'/c'/ c'>b | a>g f2 |1 f/f/f/f/ f>e |"Bb" d>c B2 :|2 f/f/f/f/ ga |"Bb" bd' b z |]  