Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:Amin
['a e>d e2 d<gB<g d<gB<G B<de<(g a>)eg>B', 'e2 g<gd<g']  
X:1
L:1/8
M:4/4
K:Amin
 a | A<A"^tr" e>d B<d"^tr" e2 | d<gB<g d<gB<G | A<A"^tr"e<d B<de<(g | a>)eg>B A2 A :| g | 
 a<ae<a c<a e2 | g<gd<g Bg d2 | a<ae<a c<ae<g | a<eg<B{B} A2 Ag | a<ae<a c<a"^tr" e2 | 
 g<gd<g B<g d2 | a<ae<a g<be<g | a<eg<B{B} A2 A ||  