Create a musical composition using the provided motif and the alphabet representation of the specified sequence.
X:1
L:1/4
M:4/4
K:Emin
['A B', 'D E F G A G B/c/']  
X:1
L:1/4
M:4/4
K:Emin
 D | E E/"^(a)" F/ G A | (G/A/)"^(b)" (B/c/) d B | A G A B | c A B (G/A/) | B/B/ B A B | 
 G (A/G/) (F/E/) D/ D/ | E F G B | E D E2 ||"^(a)" D | E F G A ||"^(b)" G B/c/ d B || 
"^(b) (only once)" G B/^c/ d B ||  