"Saturday Night Live has announced the hosts and musical guests for its first two episodes of March. Comedian Shane Gillis will host on March 1 with Tate McRae as musical guest, while Lady Gaga will host and perform on March 8. Gillis stars on the Netflix series "Tires," Gaga's album "Mayhem" drops March 7, and McRae's album "So Close to What" was recently released."