Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
Q:1/4=104
M:4/4
K:Bb
['B2 B>B', 'c>B (AF).G.A B2 B>B (A2', 'B3 f b2 b>b (a2 .b) z/'  
X:1
L:1/8
Q:1/4=104
M:4/4
K:Bb
 F | B2 B>B A2 .B z/ c/ | (dG) c>G .A(FGA) | B2 B>B (A2 .B) z/ c/ | (d.B)(c.A) B3 :| .b | 
 .a.g.f.e .d.c.B.b | .a.g.f.e .d.c.B.b | .a.g.f.e .d(def) | gG c>B (AF).G.A | 
 B2 B>B (A2 .B) z/ c/ | dG c>B (AF).G.A | B2 B>B (A2 B) z/ c/ | (d.e)c>B B3 :| f | 
 b2 b>b (a2 .b) z/ a/ | (gfed) (cd)e=e | f2 f>f (=e2 .f) z/ g/ | a>b Tg>f f3 d | 
 e2 e>e (d2 .e) z/ f/ | gG c>B (AF)GA | B2 B>B (A2 B) g/e/ | d>e Tc>B B3 :|  