Regarding blending of different pitched instruments, here is a perfect example of 3 top call LA musicians with 3 different pitched instruments and I'm certain they had no pitch or blending problems. http://ts1.mm.bing.net/th?&id=JN.2Qo98Sqk+94mhM/n/kJolg&w=311&h=300&c=0&pid=1.9&rs=0&p=0 I'm not sure who is playing the C, but we have Malcolm McNab with his usual Eb and Rob Frear on a Bb. There are times when chromatic tuners are absolutely pointless. Top musicians like these three superb players make easy adjustments and I would be willing to bet at least two of them are transposing their part. Rich T.