Friday the 13th one occurrence each. A Friday the 13th occurs during any month that begins on a Sunday. The fear of the number 13 has been given a scientific name: "triskaidekaphobia"; and on analogy to this the fear of Friday the 13th is called "paraskevidekatriaphobia", from the Greek words "Paraskeví" (Παρασκευή, meaning "Friday"), and "dekatreís" (δεκατρείς, meaning "thirteen"). The superstition surrounding this day may have arisen in the Middle Ages, "originating from the story of Jesus' last supper and crucifixion" in which there were 13 individuals present in the Upper Room on the 13th of Nisan Maundy Thursday, the night before his
Concert: Friday the 13th – Cook County Jail Concert: Friday the 13th – Cook County Jail Concert: Friday the 13th – Cook County Jail is a live split album recorded at Cook County Jail in October 1972 featuring performances by jazz organist Jimmy McGriff's Quintet with guitarists George Freeman and O'Donel Levy, and saxophonist Lucky Thompson's Quartet which was released on the Groove Merchant label. Allmusic's Scott Yanow said: "This album contains two separate sets that were both performed before inmates at the Cook County Jail one day in 1972. Organist Jimmy McGriff and his quintet performs his lengthy two-part "Freedom Suite," generating a great deal of heat.