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
['d B>AG']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 d | B>AG (B/c/dB) | eAA A2 d | B>AG Bdg | BGG G2 |:  