This tip Tuesday tip is a little long...
It's important to know the difference between having information or being knowledgeable, and the execution or being able to DO what it is that you're informed about. I often come across folks that say, after my offering a suggestion, that "I've already done that or I've already covered that"... I then ask them to play what they've "already covered" and they can't....
Folks, just because you know about something, doesn't mean that you are past it in your development. This will always be why private instruction is key to long term development. Your instructors job is to not only provide information which in many cases, you can get from anywhere, they are also charged with guiding you through the application of that information!
The "apprenticeship" part of your development which is often slow, tedious and requires a lot of patience on the student and instructors part, is crucial in your long term development. This also applies to many areas in life.
Just because you can google information, doesn't mean you're "knowledgeable".... Knowledge without application to real life and progress is meaningless....
Especially in music performance!
No one wants you to say what you know on stage...
They want to hear it!