Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:2/4
K:F
['.c2 A>d', 'ef g3 a .g2 de f3 g'  
X:1
L:1/8
M:2/4
K:F
"F" .c2 A>d | .c2 A>d | cA cf | c3 f |"C7" (e>g) d.f | (e>g) d.f | ed Bd |"F" c3 z | .c2 A>d | 
 .c2 A>d | cA cf | a3 a |"G7" a>g g=b |"C" (c'2 e)c' |"G7" gf de |1"C" cc/c/ cc :|2"C" c=B c^c |: 
"Gm" .d2 .b2 |"C7" .b2 .b2 |"F" (a2 .f2) | z .a .g.f |"C7" e>g d2 | z .f .e.d |"F" c>f A2 | 
 z A c^c |"Gm" .d2 .b2 |"C7" .b2 .b2 |"F" (a2 .f2) | z c fa | c'3 b/a/ |"C7" g3 a/g/ |"F" f2 f2 |1 
 fA c^c :|2 .f2 z2 |:[K:Bb]"Bb" f3 e | (dc) e>d |"F7" (d2 .c2) | z2 e>f | g3 f | (fe) .c.e | 
"Bb" d4 | z2 ef |"Eb" g3 a | .g2 de |"Bb" f3 g | .f2 d>d |"F7" .c2 .f2 | .c2 .e2 |"Bb" dB df | 
 .b2 ef |"Eb" g3 a | .g2 de |"Bb" f3 g | .f2 d>d |"F7" c=B cd | ef ga |"Bb" b2 b>b | b2 z2 :|  