Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:2/2
K:A
['(3(uEFG) A>GA>B B>Fd>c B>cd>e f>ga>f |{f} e>^de>f', 'B>gf>g e>Be>g b2']  
X:1
L:1/8
M:2/2
K:A
 (3(uEFG) | A>GA>B A>c"^4"e>c | B>"^1"^AB>c B>Fd>c | B>cd>e f>ga>f |{f} e>^de>f e>dc>B | 
{B} A>GA>B A>c"^4"e>c |{c} B>"^1"^AB>c B>Fd>c | e>ag>f e>dc>B | A2 c2 A2 :: (3(ucBA) | 
 B>"^4"e^d>"^4"e B>gf>g | e>Be>g b2 (ag) | f>ga>f ^d>Bc>d |"^0" (3.e.g.f (3.e.^d.c B2 (G"^4"A) | 
 B>"^4"e^d>"^4"e B>gf>g | e>Be>g b2 a>g | f>ga>f ^d>Bc>d |1 e2 g2 e2 :|2 
{f}"^0" e>^d"^0"e>f e>=dc>B |]  