Most amateur musicians won't be able to tell the difference between a good and bad conductor, or even between different conductors at all for that matter.Differences between conducting are far more subtle than playing an instrument, but there are differences. Certain conductors are associated with particular styles and yes, interpretations, however similar they may sound.
The arm-waving is only meaningless to a point. Any decent orchestra can quite happily play without a conductor.
The conductor doesn't do that with arm movements.
Why would he tell someone something with a baton during a performance if there are much better ways of communication and much more convenient times to do so?
The conductor tells the orchestra before the performance how the piece should be played. So the conductor uses language, not the baton. And it is done before the performance, not during it.
So MOST of the arm movements you see are 'acting'.
Conductors are vital. If they weren't, they wouldn't be up there. You'd have someone in the front row cuing the start and stop like they used to.
Mephisto, your point is irrelevant. I never disputed that a person can express things using his body which the orchestra members will be able to use in their interpretation. But I never argued against that.
also, they can remember the scores (all the parts) and know what's missing - or how to mold and shape things.
I may be extremely annoying to you but it seems that not a single word of me can be missed. You basically are agreeing with me here and talking around it.The conductor tells the orchestra before the performance how the piece should be played. So the conductor uses language, not the baton. And it is done before the performance, not during it.So most of the arm movements you see are 'acting'.Those things that cannot be missed can be done by the concertmaster.
In a professional group, the individual performers find their own score and study their part in relation to everyone else. In most groups though, the conductor is only one who has access to all the parts. They are the only person who can really interpret the score.
The conductor glares at us when we're performing. And one time we hadn't had enough time to master one of our songs, then she was trying so hard not to scream at us...
I am going to guess you are talking about a student organization.Conducting in a classroom is an entirely different situation. I have not played in that kind of band or orchestra for many decades and I will not claim I remember much about it. The conductor has a different purpose than focusing on interpretation.In a professional or semi-professional ensemble, the conductor really does have the responsibility to make music and this does really take a lot of work on his/her part. The individual performers are expected to know their part and how it should be played without asking, and to count rests and come in on time without cues, and to check the score when there are problems with note errors and not waste rehearsal time with their questions. The conductor directs the music - with his arms. It is not acting. Take a conducting class sometime, you'll see. I would never, ever, expect a conductor to cue me in, no matter how many hundreds of bars of rests I've had to count. If an entrance has ever been problematic, I will often see a conductor glance quickly my direction about two bars early. They will always see that the trombone has come off my knee and is up in playing position, then they know they don't have to worry. (Conductors try to avoid looking at the trombone section; they fear encouraging us to play loudly, which can be a problem.)