Rake-and-scrape have been a gift from their colonial master." Rake-and-scrape Rake-and-scrape is a genre of music native to the Bahamas. Its main instruments are associated with the Goombay drum, Accordion also known as a Concertina, and a Hand saw. In 1886 an article in the Nassau Guardian mentions the usage of the Banjo, Drums, Concertina and other instruments during a celebration by Black Bahamians. The Concertina is also referenced to be in use in Nassau by Black Bahamians by William Drysdale in his book "In sunny lands: out-door life in Nassau and Cuba pg 29" written in the early 1880's. William
Twist per inch find the number of twists per inch for the single, or one can use the doubled back yarn as a measure. With a thick-and-thin yarn, it is best to count the twist over several inches and average the results. This is because the number of twists per inch will tend to vary between the thin and thick sections. In the industry the number of twists per inch is calculated as: formula_1 where formula_2 is the Twist Multiplier, also known as formula_3 or the Twist Factor. This Twist Multiplier is an empirical parameter that has been established by experiments and practice