Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
Q:1/4=120
M:2/2
K:Gmin
['G>DG>A B>cd>g', 'G2 g>fd>f (Tg/f/g/a/) b>g f>dc>d']  
X:1
L:1/8
Q:1/4=120
M:2/2
K:Gmin
"^Slow" F | G>DG>A B>cd>g | f<b d>B (c/B/A/G/ F>)A | G>DG>A B>cd>g | f>c d/(c/B/A/) B>G G2 :| 
 g>fd>f (Tg/f/g/a/) b>g | f>dc>d (f>g){fg}a>f | (b>a)(a>g) (g>f)(f>d) | c3 f (d/c/B/A/) (B<G) G2 | 
 g>fd>f (Tg/f/g/a/) b>g | f>dc>d (f>g){fg}(a>f) | (g>f)(e>d) (c>e)(d>c) | 
 TB/(A/b/c/) (d/c/B/A/) B<G G ||  