Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:4/4
K:G
['d2 (ef)', '(g>f) e2 (Td>c)']  
X:1
L:1/8
M:4/4
K:G
 B3 c d2 (ef) | g2 (fg) Te2 d2 | (B<g)(g>f) (f>e)(e>d) | (ed)(cB){B} A4 | d2 (ef) g3 f | 
 e2 (fg){g} f3 g | a6 (gf) | Te3 d d4 :: A2 d2{d} ^c3 f |{f} e3 g (f>e) d2 | 
 (B>g)(g>f) (f>e)(e>d) | (ed)(cB){B} A4 | (B>c)(d>B) G2 z G | c>de>c A2 z A | d>ef>d B2 z B | 
 (e>f)(g>g) Tg2 f2 | A2 (d>c) (B>A) G2 | d2 (g>f) e2 (Td>c) | B2 (g>f) e2 (Td>c) |{B} TA3 G G4 :|  