Ground to a halt on half a dozen so any light thrown on the following will be greatly appreciated viz 1ac (7) Hallucinogenic trip through dance music genre B???P??; 11 ac (13) God slots back, limb and belly-button into Times Cryptic ??L???N?E?I?M; 12down (10) "Wave the Sails" for an environmentalist's slogan perhaps ???O?E?!??; 27 ac (4,3) To? Has anyone any ideas?