Yeah, Dub Be Good To Me was a white label called something weird like Invasion of the Estate Agents or something like that originally, then he realised the vocal would work. It’s on the B-side of the 7".
I don’t think it’s as simple as just calling it stealing other people’s talent, there’s quite an art to putting it all together. Mind you, you could say the same about Jive Bunny to a certain degree.