Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/4
Q:1/2=90
M:2/2
K:D
['A d', 'A d', 'e c', 'd G B E A (A/B/c/d/) e']  
X:1
L:1/4
Q:1/2=90
M:2/2
K:D
"^Sym" A | d d c/B/ A/G/ | F2 z A | d A d/f/ e/d/ ||{d} c2 z e | c A d B | c f e d | c2 B2 | 
 A2 z A | d2 e2 | f2 z d | B e A f | g A B e | d2 c2 |"^*" d3 ||"^Chorus" A | d d c/B/A/G/ | 
 F2 z A | d f f d | e2 z e | c A ^G A | B d c f | (e d) (c B) | A2 z"^Sym" e | c e f g | 
 a ^g/f/ e d | c2 B2 |"^*" A3 || A | d2 e2 | f2 z d | B e A d | G B E A | (A/B/c/d/) e f | g2 z f | 
 (f e) (d c) | d3"^Sym" f | g b e g | f a d f | f2 e2 |"^*" d3 |]  