Develop a musical composition by incorporating the suggested motif and by following the prescribed format.
X:1
L:1/8
M:4/4
K:Bb
['B,2 (D>F) (B>c)(d>c)', 'f>gf<d B>cd>B (3(ege)'  
X:1
L:1/8
M:4/4
K:Bb
 D | B,2 (D>F) (B>c)(d>c) | (B>G)(F>D){D} C>B,C<D | B,2 (D>F) (B>c)(d>c) | (B>G)(F>D) B,<BB :| 
"^Slowly" d | f>gf<d B>cd>B | (3(ege) (3(dfd){d} c>Bc<d | f>gf<d B>cd>c | B>GF>D B,<BB>d | 
 f>gf<d B>cd>B | (3(ege) (3(dfd) c>Bcd | B<Fd<B f<db<g | f>dc>d B2- B |]  