Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
['B2 c dBG', 'd3 d2 e =fed c2 B c2']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 B2 c dBG | gec d2 B | A2 B cBA | edc B3 | B2 c dBG | ge^c d3 | b2 g afd | ge^c d3 :: d2 e =fed | 
 c2 B c2 A | c2 d edc | B2 A B2 G | B2 c dBG | ge^c d3 | e/f/ge dBG | A/B/cA G3 :|  