Admired as much for his uncompromising vision as for his tough, soulful voice, Van Morrison is one of a select group of legendary performers who started out in the sixties and are still at the top of their profession. This is mostly through his own refusal to to co-operate with the media. From his early days as the surly lead singer with the Belfast rhythm and blues group Them through his long reclusive sojourn in America he has studiously avoided opening his soul to any medium but his music.