Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/4=90
M:4/4
K:G
['d>c (cBAG) g3 a', '(a>g) (gfed) d2 b2 (af)(e>f) d2 B>c']  
X:1
L:1/8
Q:1/4=90
M:4/4
K:G
"_VB" d>c | (cBAG) g3 a |{ga} b2 a>g (gf)(ed) | e3 d B>AB>d | e2 f>g g2 d>c | (cBAG) g3 a | 
{ga} b2 a>g (gf)(ed) | e>fga bagf | e2- e f g2 || (a>g) | (gfed) d2 b2 | (af)(e>f) d2 B>c | 
 d3 e d>ed>B | (d3 e/f/ g3) f | e>de>g{f} e2 d.B | dB (de/f/) g3 a |{a} bage (de/f/) gc | 
 B3 A G2 |]  