And here I thought the most rewarding is teaching the most advanced students, since if you can teach advanced students, you can teach all other levels?
A very good teacher can teach a piece even if he cannot play it himself. Imagine if you broke both of your arms and literally could not play, does that mean you cannot teach?But it's much easier to teach if you can play it. That being said, it's more important that you can PRACTICE it with them. Maybe you can't play it up to speed or everything hands together, but if you can help them work out how to practice the separate parts (by doing it also yourself), then you can be successful.
There are some students who need a coach. A coach is for someone who knows what to do but channels thier focus in a singular direction. The coach may not necessarily be able to do the same things physically as the student but that does not mean their information is any less valuable. The more advance a student gets the less they need a teacher who plays all of their repertoire. It is of course a huge advantage for the teacher to be able to but students need to take what they know and learn how to better diaganois what they need to work on for themselves.
If that student were playing note-perfect Chopin Etudes with ease, I could agree with a coach idea. However, if we're talking anything less than that, the "coach" may well just be an incompetent charlatan who holds the student back from learning anything. You don't necessarily have to play every piece, but a "coach" who cannot look at a piece of music from the inside is going to be a pretty useless guide. Whether you play a piece or not, you need to be able to look at it with the eyes of someone who could- otherwise you're going to miss virtually everything of significance.
Maybe the bottom line for the coach is that this teacher has to be able to do what the student cannot do, or know what the student doesn't know, since that's where the needs are? I think a tricky spot in this is that a student may think his needs are in one area, but a master teacher like this might see that the holes lie in a totally different area. At that thought maybe a coach has to have a broad comprehension of all sides of music, but might be specialized in something particular.
A very good teacher can teach a piece even if he cannot play it himself. Imagine if you broke both of your arms and literally could not play, does that mean you cannot teach?
I don't think we are talking about 'physically' being capable of playing a piece. Nor do we mean that teachers must play every piece that they teach. But I think if a teacher is teaching a piece to a student, they should have (or have had at one time) the ability, the capacity for learning it and playing it at a high level. They should have pieces in their repertoire of a comparable difficulty, and in a similar style.That's not the same thing as saying that a teacher must learn every piece that they work on a student with. If only there were enough hours in the day!
Why not challenge yourself to learn the piece with your student--even if you only have time to do this during your lesson? Don't doubt yourself simply because you don't know the piece. Think of what you could show him. I would say something like:"Wow, Liszt? that's awesome! I've never played that one but we could sure learn it together! Learning is part of teaching--embrace that!Qudos to you for asking this question! you are a GREAT teacher, my friend!