Poirot - Theme Sheet Music Sax
This is the most common error. If you buy piano sheet music (in C) and try to play it on an Alto sax, you will sound than you should. The mood will be destroyed.
You can find various arrangements tailored to different saxophone types and skill levels: poirot theme sheet music sax
Subtle pitch slides (scoops) into the start of phrases can enhance the jazz-noir feel. However, use them sparingly—Poirot himself is a man of precision and elegance, so the playing should never feel "sloppy." This is the most common error