Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/4
M:6/8
K:Emin
['A B', 'B c/B/ A B G2 B A/G/', 'E F/G/', 'E F/G/']  
X:1
L:1/4
M:6/8
K:Emin
|: B c/B/ G A B A | B c/B/ G A B A | B c/B/ G A B2 :: B c/B/ A B G2 | B A/G/ F A G E | 
 B c/B/ A B G2 | B A/G/ F G E2 :: E F/G/ A G E2 | E F/G/ B A G F | E F/G/ A G E2 | E F/G/ B A G2 :: 
 E F/G/ E B B2 | A G/F/ E E/F/ E D | E F/G/ B A G2 | E/F/ G/E/ A A/G/ E2 :|  