I have been a fan of the Bee Gees since 1967. I have watched this video so many times I can't even count them anymore.  I had orginally recorded this concert when it was on Showtime and eventually wore.it out so I had to get  another.. (One of the best investments I've ever made) . I firmly believe  that the Bee Gees voices sound better now than ever.  Time has not effected  their voices, range or harmonies.  If anything it has only made them  better.  This video is a must for any Bee Gee fan.  If you are not a fan  or ever considered it, try it out, you may learn something  I guarantee  you will be out buying everything you can get your hands on.