Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:4/4
K:G
['B>cd>e f>BA>B g>Ba>B b>BA>B G>BF>B E>BD>B', 'B4 f>BA>B g>BA>B g>ab>a g>^fg>f e>dc>^B c>Bc>d']  
X:1
L:1/8
M:4/4
K:G
|: B>cd>e f>BA>B | g>Ba>B b>BA>B | G>BF>B E>BD>B | C>ce>c B>AG>F | B>cd>e f>BA>B | g>Ba>B b>BA>B | 
 G>BF>B E>BD>B | C>ec>A B4 :: f>BA>B g>BA>B | g>ab>a g>^fg>f | e>dc>^B c>Bc>d | e>de>c B>AG>F | 
 B>cd>e f>BA>B | g>Ba>B b>BA>B | G>BF>B E>BD>B | C>ec>A B4 :|  