Shortly after posting my article Why Did The Cornet Become a Second Rate Citizen?, I became more interested in the Cornet and one of the questions which kept me up at night was this- “did the transitional cornets (cornets manufactured as a fundamentally A pitched instrument but converted to play also in Bb), play in tune”? I tried testing a Bb with its slides extended to an A instrument but the intonation was so bad, I gave up the effort. Then a good friend of mine said that he had an A/Bb cornet and would loan it to me for…