Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
Q:1/4=100
M:6/8
K:C
['c3 c2 B G3- G2 E F2']  
X:1
L:1/8
Q:1/4=100
M:6/8
K:C
 c3 c2 B | G3- G2 E | F2 F E2 F | G2 A B2 G | c3 c2 B | G3- G2 E | F2 F G3 | C3- C3 ||  