Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:4/4
K:Bb
['B,<B B>d', 'd<f f>g']  
X:1
L:1/8
M:4/4
K:Bb
 B,<B B>d c>Bcd | BcGB F>D C2 | B,<B B>d c>Bc>d | B<F G<B F>D B,2 :| d<f f>g f>dc>B | 
 d<f f>g f<d c2 | B<f f>g f<dc>d | B<F G<B FD B,2 | d<f f>g f<dc>B | d<f f>g fdc>e | 
 d<fc<e B>cd>c | B>F G<B FD B,2 ||  