What Makes up a Good Music Teacher?

So much depends on having a good music teacher! I’m not competent to argue whether all of us are born with the talent to become musicians, or at least to love music and to play an instrument well, or whether some or even most of it is a matter of one’s genes, or maybe the consequence of influences / experiences at a very early (maybe even pre-natal) stage — however, for sure, a bad teacher can ruin a lot in one’s musical life! …