Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/16
M:2/4
K:G
['decd BcAB', '.A.c.A.F .E.G.B.G .B.d.B.G', 'd2d2b2>d2 c2c2a2>c2 B2B2 c2cd ecBG GF=ED d2d2b2>d2']  
X:1
L:1/16
M:2/4
K:G
|: decd BcAB | GBAF GDB,D | decd BcAB | GBAF G2G2 :| .!fermata!D.F.A.F .A.c.A.F | 
 .E.G.B.G .B.d.B.G | .D.G.B.d .g.f.e.d | .c.B.A.G .G.F.E.D | .D.F.A.F .A.c.A.F | 
 .E.G.B.G .B.d.B.G | DGBd gbag | gbaf g2g2 |][K:Gmin] d2d2b2>d2 | c2c2a2>c2 | B2B2 c2cd | 
 ecBG GF=ED | d2d2b2>d2 | c2c2{c} a2>c2 | B2c2 dBec | BAG^F"^D.C." G4 |]  