Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:2/4
K:F
['ee/e/ gg/g/ ba ba g2 c>f a2', 'z3/2 A/ c>f', 'g2 f>e', "f>b d'4 c'2 b2 a2 g2 f2"]  
X:1
L:1/8
M:2/4
K:F
"C" ee/e/ !>!e2 | gg/g/ !>!g2 |"C7" ba ba | g2 z2"^A" |:"F" c>f a2 | z3/2 e/ g>e | f>A B2 | 
 z3/2 A/ c>f |"C7" e>G B2 | z3/2 G/ B>d |"F" c>F A2 | z3/2 c/ A>B | c>f a2 | z3/2 e/ g>e | f>A c2 | 
 z3/2 A/ c>f |"C7" e>d c>B | c>b d>e |"F" ff/f/ ff | f2 z2 ::"^B""A7" a3 g |"Dm" f>e f>g | 
"A7" a>b a>g |"Dm" fe !>!d2 |"G7" g3 f |"C" e>d e>f |"G7" g>a g>f |"C" ed !>!c2 |"C7" .c2 .b2 | 
 .a2 .g2 |"F" a3 g |1 f/e/f a/g/f |"C7" g3 f | e/d/e a/g/f |"F" f>g a>b | c>d e>f :|2 
"F" ff/a/ c'"C7"e |"F" ff/a/ c'"C7"e |"F" f"C7"e"F" f"C7"e |[K:Bb]"F" ff f z"^C" |: 
"Bb" f2{/g} f>e | (f2 .b2) | d2{/e} d>c | (d2 .f2) | f=e/f/ g>d |"F7" f2 e2 | ed/e/ f>c | 
"Bb" e2 d2 | f2{/g} f>e | (f2 .b2) | d2{/e} d>c | (d2 .f2) |"Dm" f=e/f/"Gm" g^f/g/ |"Dm" a>f df | 
"A7" a>g =ef |"Dm" dd d z ::[K:F]"^D""C7" c>b b>b | b/a/g f/e/d |"F" c>a aa | f3 c |"C7" B>g g>g | 
 g/f/e c/d/e |1"F" f>a g>f | e>g f>d :|2"F" f2 z2 |:[K:Bb]"^E""F7" .e2 .c2 | g2 f>e |"Bb" d2 f>b | 
 d'4 |"F" c'2 b2 | a2 e2 | g2 f>e | d4 |"F7" e2 c2 | g2 f>e |"Bb" d2 f>b | d'4 |"F7" c'2 b2 | 
 a2 g2 | f2 a>c' |"Bb" bb b z :|  