Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:4/4
K:Bmin
['', 'B2 B3', 'e2 f2 b2 b2 a2 b4 B2']  
X:1
L:1/8
M:4/4
K:Bmin
 f3 e |: d2 B2 B3 A | F2 B2 B3 c | d3 c B2 A2 | d2 e2 fgfe | d2 B2 B3 A | F2 B2 B4 | fgfe d2 c2 |1 
 B4 f3 e :|2 B8 || f2 b2 b3 c' | b2 a2 f2 e2 | f2 b2 b2 a2 | b4 B2 c2 | d4 c4 | B2 f2 f3 e | 
 f2 B2 Bcde |1 f8 :|2 f4 f3 e ||  