William Blocker Willem Blokker Haarlem Singer, back vocalist, songwriter and dj in training. William Blocker’s tracks sweet dreams by William Blocker published on 2023-07-13T13:32:50Z In my life.aif by William Blocker published on 2023-05-08T17:05:06Z I've got you under my skin by William Blocker published on 2023-05-07T10:37:03Z