Develop a musical piece incorporating the designated alphabet-based pattern and the supplied melodic theme.
X:1
L:1/8
M:3/4
K:Bmin
['f2 B2 B>d f3 ^e f>g f>e', 'f>e a3', 'f>e f>d B3 A G2 B>d c>B']  
X:1
L:1/8
M:3/4
K:Bmin
 f2 B2 B>d | f3 ^e f>g | f>e ^d>e f>g | f2 f>e f>g | a2 g2 f2 | (3efe c3 B | c>d e>f e>c |1 
 d2 B>d g>e :|2 d2 B2 B>A ||"^Jumps octave in the repeat" |: B>E E>G F>E | B3 e f>e | a3 f f>e | 
 f>d B3 A | G2 B>d c>B | (3F^EF B>d c2 | c>d e>f e>c |1 d2 B2 B>A :|2 d2 B>d (3efg ||  