Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:Bb
['F2 F2'  
X:1
L:1/8
M:4/4
K:Bb
 bf |"Bb" d2 B2 B2 dB |"F" cA F2 F2 BA |"Eb" GFED"F" EGFE |"Bb" D2 B,2 B,2 bf |"Bb" d2 B2 B2 bf | 
"C" g2 =e2 c2 BA |"C7" Bcd=e fage |"F" f2 F2 F2 :: fe |"Bb" dBAB"Bb7" dBAB |"Eb" GEDE"Eb/D" GEDE | 
"Cm" cdeg"Eb" fecB |"F" A2 F2 F2 de |"Bb" fBAB"Eb" gBAB |"Bb" bBAB"Gm" fBAB |"Eb" Ggfe"F" dcBA | 
"Bb" B2 B,2 B,2 :|  