Dominoes domino sets commercially available are double six (with 28 tiles) and double nine (with 55 tiles). Larger sets exist and are popular for games involving several players or for players looking for long domino games. The number of tiles in a set has the formula formula_1 for a double-"n" set. The most popular type of play are layout games, which fall into two main categories, blocking games and scoring games. The most basic domino variant is for two players and requires a double-six set. The 28 tiles are shuffled face down and form the "stock" or "boneyard". Each player draws
Les Double Six again to a second track, "doubling" each individual vocal part. Singing in French, they performed jazz standards, particularly themes by Quincy Jones and Dizzy Gillespie, adding the poetic or humorous lyrics written by the imaginative Perrin. Inspired by several American groups, the singers vocalized in the manner of instruments, reconstructing brilliant improvisations of saxophones, trumpets or trombones. The group was not long-lasting. Because of Perrin's health problems (she had contracted tuberculosis in 1949), Les Double Six dissolved in 1966. They recorded four albums between 1959 and 1964. Many members of the group went on to join the Swingle Singers, which