If you want to get the best singing training then consider Singing Success.  This is a full program that has been around for a long time.  There are thousands and thousands of singers who have succeeded using Singing Success singing training cd.  CD features are an important part of the program.  You get twelve CDs that you keep forever.  This means you can use them as many times as you want.  Once you have mastered the techniques you keep on using the CDs as a valued point of reference.  There is no need to pay out huge sums of money for private singing coaching.  CDs allow you to be the best you can whenever it suits you.