3-5-8 for the following: This variation of a variation plays 9-5-2 with the following changes: This variation was played in the 70s and 80s at University High School in Urbana, Ill. Play is as before with each aiming for 9, 5 and 3 respectively, except: 3-5-8 3-5-8, also known as Sergeant Major for its popularity among members of Britain's Royal Air Force, is a trick-taking card game for 3 players, using a standard 52 card deck. 3-5-8 may be played as a gambling game, or not, and there are many variations with names like "8-5-3" and "9-5-2" played throughout the world.
7-limit tuning Young's "The Well-Tuned Piano", Ben Johnston's String Quartet No. 4, and Lou Harrison's "Incidental Music for Corneille's Cinna". The Great Highland Bagpipe is tuned to a ten-note seven-limit scale: 1:1, 9:8, 5:4, 4:3, 27:20, 3:2, 5:3, 7:4, 16:9, 9:5. In the 2nd century Ptolemy described the septimal intervals: 7/4, 8/7, 7/6, 12/7, 7/5, and 10/7. Those considering 7 to be consonant include Marin Mersenne, Giuseppe Tartini, Leonhard Euler, François-Joseph Fétis, J. A. Serre, Moritz Hauptmann, Alexander John Ellis, Wilfred Perrett, Max Friedrich Meyer. Those considering 7 to be dissonant include Gioseffo Zarlino, René Descartes, Jean-Philippe Rameau, Hermann von Helmholtz, A.