The Sands Hotel was a hotel and casino located in Las Vegas. It was a front for the Dragotta crime family, and Johnny Dragotta's office was on the top floor.
The Wolf Pack, a band made up of the famous singers Frankie Seneca, Dino Martinelli and Solly Dancer had a contract with the Sands, and performed regularly in the hotel's Copa Room. These performances, according to Clara Oswald, were legendary.
In 1963, the Twelfth Doctor and Clara travelled to Las Vegas the Doctor found some tickets to see Frankie Seneca in a drawer. They visited the casino, where the Doctor won eight hundred thousand dollars' worth of chips on a craps table. (COMIC: Gangland)