What do these artists have in common: Blur, Harry Connick, Jr., Dread Zeppelin, Jewel, Midnight Oil, Prince, Public Image Limited, Rush, Sugar Ray, The Temptations, Usher, Van Halen, Wire, and Yes?
(This is not an exhaustive list.)
Answer: they all recorded albums with numerical titles. In order: 13; 11, 20, 25, and 30; 5,000,000; 0304; 10, 9, 8, 7, 6, 5, 4, 3, 2, 1; 1999 and 3121; 9; 14:59; 1990; 8701; 1984; 154; and 90125.