Chicago, JChicago, July 12, 1979 was the day rock sucked. Real bad. It was also the day that disco went underground for real. Here is the first offering of Rock Sucks! a label where forgotten disco and boogie will finally get its revenge. These two versions of The Mobley Gang's 'Groove For You' were made in 1983 and they've been ignored for far too long.uly 12, 1979 was the day rock sucked. Real bad. It was also the day that disco went underground for real. Here is the first offering of Rock Sucks! a label where forgotten disco and boogie will finally get its revenge. These two gems were made in 1983 and they've been ignored for far too long. TRACK LISTING A. For You (Club Mix) B. For You (Special Mix)