Compose a piece of music following the specified structure and theme.
X:1
L:1/8
Q:1/4=100
M:4/4
K:Bb
['F2 F2']  
X:1
L:1/8
Q:1/4=100
M:4/4
K:Bb
 B,D |"Bb" F2 F2 F2 (BA) |"Eb" (G2 B2)"Bb" F4 | F3 E D4 |"F7" E3 D !fermata!C2 B,D | 
"Bb" F2 F2 F2 (BA) |"Eb" (G2 B2)"Bb" F4 | F3 F"Eb" G4 |"F7" A3 A"Bb" !fermata!B2 BA | 
"Eb" G2 G2 G2 (AG) |"Bb" F4 F2 GF |"Cm" E2 E2 E2"F7" (FE) |"Bb" D4 D2 B,D | F2 F2 F2 (BA) | 
"Eb" (G2 B2)"Bb" F4 | z4 F3 F |"Eb" G4"F7" A4 |"Bb" B4 z2 |]  