Dance-music deity François K and his Deep Space soiree—focusing on dub in all its glorious, echo-drenched forms, but extending its reach to all types of underground dance music—have been ruling Monday nights for years. Mr. K is away Nov 4—but he's left the party in good hands, with a pair of fabled NYC clubbing lifers, the New York Music Pool veteran Jackie McCloy and WFMU's inimitable $mall ¢hange, taking control.