““Jungle Waters,” by the Scottish producer Sam Gellaitry, is brash, larger-than-life dance music. The cinematic, orchestral intro that plummets into a shuddering, tabla-driven hip-hop groove—like Hans Zimmer trying out his hand at boom-bap—shows Gellaitry’s music can transport a listener into another reality. If it feels like the soundtrack to the opening sequence of an epic, that’s hardly an accid”