Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
Q:1/8=128
M:4/4
K:Emin
['G<E B>D']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:Emin
|: B | G<E B>D B,>E E>G | F>D A,<D F>G A<F | G<E B>D B,<E E>e | (3(BdB) A<F E2 EB | 
 G<E B>D B,>E E>G | F>D A,<D F>G A<F | G<E B>D B,<E E>e | (3(BdB) A<F E2 EF | g>e f>d e<B B>c | 
 d>B A<d F<D A>f | g>e f>d e<B B>e | (3(BdB) A<F E2 E>f | g>e f>d e<B B>c | d>B A>G F/G/A/F/ D>F | 
 E>G F>A G>B A>d | (3(BdB) A>F E2 E :|  