Some time ago I added a collection of hand-picked videos of brass music for all solo instruments, brass bands, and brass ensembles. It was dependent on the YouTube Video Player widget, but that came to have limitations. First, YouTube limited the length of the title list on each player collection to 50. Also, it was difficult to see what exactly you were about to view. There are currently over 1,000 brass videos in my collection. The euphonium collection alone has more than 300! Clearly the YouTube ...
Over the years I have often answered questions from players who just got a new instrument and are having trouble with intonation. This is especially likely when the old horn was a non-compensating instrument and the new one is compensating. The intonation tendencies can be different (or even opposite) between the two types. A major issue here is habit, which is very handy for some things (like when you practice scales so much that your mind/body system plays almost automatically after a point), ...