Compose music by following the designated structure and integrating the suggested musical idea.
X:1
L:1/8
M:3/4
K:F
['Ac f2 a2 b2 a3 f ed', "f2 de f3 d' d'2 c'2 c'2"  
X:1
L:1/8
M:3/4
K:F
"F" Ac f2 a2 | b2 a3 f |"C7" ed ec de |"F" f2 af c2 | Ac f2 a2 | b2 a3 f |"C7" ed ec de | 
"F" f2 f2 z2 ::"C7" ef ^fg c2 |"F" fg ^ga c2 |"C7" ef ga be |"F" f2 eg f2 |"C7" ef ^fg c2 | 
"F" fg ^ga c2 |"C7" ef ga be |"F" f2 f2 z2 ::[K:Bb]"Bb" de f3 b |"F7" b2 a2 a2 | cd e3 g | 
"Bb" g2 f2 f2 | de f3 d' |"F7" d'2 c'2 c'2 | ag af ga |"Bb" c'2 b2 z2 :|  