From ChoralNet, a number of people have contributed to a list of Qualities Expected in a Choral Accompanist.
In the February 2002 Creative Keyboard, Per Danielsson talks about Accompanying a Singer from the jazz pianist's perspective.
Vocal coaches don't just work in the classical field, they are also active in genres such as pop and country, with plenty of advice on how to succeed in American Idol and other reality TV competitions.
Don't like pop music? Read about Melissa Cross and her experience coaching death metal singers.
Times of India reports on the experiences of tabla and harmonium accompanists in India which seem strikingly similar to those of us in the West.