Bands these days – no imagination. Thank God, then, for legendary techno boffins the Chems, who with ‘Salmon Dance’ have raised the stakes of even Andre 3000 for delirious dance-pop invention. “Shake your body like salmon floating upstream!” witters FatLip from the Pharcyde, before delivering a how-to lecture in the dynamics of doing, yes, The Salmon Dance. After that, we get detailed instructions on the migrational habits of fish headed upstream and, potentially, their biggest gonzo hit yet. Who said the quality of drugs is on the wane?