Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:6/8
K:Emin
['dBB BAB GEE']  
X:1
L:1/8
M:6/8
K:Emin
 B/A/ |"Em" GEE EGA | BGB BdB |"D" AFD DFG | AFA ABc |"Em" BGE EGA | BGB Bee |"Bm" dBB BAB | 
"Em" GEE E2 :: e |"Em" eBe efg |"D" fdd d2 e | dAd ded | BAA A2 e |"Em" eBe efg |"D" agf"Em" gfe | 
"Bm" dBB BAB |"Em" GEE E2 :|  