We all know Bob Dylan isn’t shy about sharing his disdain for all things digital-music relatedbob_dylan, but this week his wrath has been specifically aimed at streaming services. Over the past few days his back catalogue has been pulled from sites like we7 and Spotify, as Dylan takes issue with those who are sharing his music with their users. An instruction was issued by his US reps, through Sony, asking sites to prove they have the right to put the material up.So far no one from Sony has responded to our requests for comment; presumably everyone at Columbia is busy sifting through years of licensing agreements and contractual binding looking for a solution to this latest outburst.Clive Gardiner, we7’s digital music SVP, said: “We took it off the site a few days ago. Spotify would have had the same instruction.