Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/4
K:A
["d'a a/g/f", "d'a a/g/f"]  
X:1
L:1/8
M:2/4
K:A
"A" ce !>!e2 | Ac !>!c2 | cc/c/ BA |"E7" GB B2 | df !>!f2 | eg !>!g2 | eg/f/ ef/g/ |"A" a2 z2 :: 
[K:D]"D" d'a a/g/f | d'a a/g/f |"A7" e/f/g/a/ c'b |"D" ba a2 | d'a a/g/f | d'a a/g/f | 
"A7" e/f/g/a/ bc' |"D" d'3 z ::[K:G]"G" dd d>c | BB B>A | GG e>d |"D7" d2 c2 | cc/c/ c>B | 
 AA A>G |1 FA d>c |"G" c2 B2 :|2 FA d>f |"G" g3 z |]  