In your opinion what must have dub album and vocal should i consider?

[leggo rocker]

This one is obscure but is a murderous mix of the Revolutionaries best riddims and a fantastic vocal production.

http://www.roots-archives.com/release/3874

Very very hard to find LP but well worth the effort.

There are also a handful of 12x45s by him. Some on the Trojan spin off 'Attack' label and some on his own Pancho label. There's also one on a Sanachie press which isn't quite so good.