Develop a piece of music using the specified alphabetic notation system and the provided motif.
X:1
L:1/8
M:2/4
K:C
['G .G(c/d/) .c.G .c(c/d/) .c.G .G.c.G.e .c.a', ".e.c.c g .c'.b.a.g .c'.b.a.g .c'/.d'/.b/.c'/ .a/.b/.g/.a/ .f/.g/.e/.f/", 'D .A.B.c.d .e.^d.f.e .d.^c.e.d .=c.B.d.c .B.A.=c.B .A.G.B.A']  
X:1
L:1/8
M:2/4
K:C
 G | .G(c/d/) .c.G | .c(c/d/) .c.G | .G.c.G.e | .c.a g2 | .f(a/g/) a2 | .e(g/f/) g2 | .d(f/e/) f2 | 
 .e.c.c :: g | .c'.b.a.g | .c'.b.a.g | .c'/.d'/.b/.c'/ .a/.b/.g/.a/ | .f/.g/.e/.f/ df | .b.a.g.f | 
 .b.a.g.f | .b/.c'/.a/.b/ g/a/f/g/ | ecc"^D.C." ::[K:A] D | .A.B.c.d | .e.^d.f.e | .d.^c.e.d | 
 .=c.B.d.c | .B.A.=c.B | .A.G.B.A | .G.F.E.D | .c.B.A |]  