5-7-9 5-7-9 5-7-9 is a low to mid-end fashion retailer, commonly found in malls throughout the continental United States and Puerto Rico, and formerly Hawaii. It is a sister company to Rainbow Shops. The chain offers mid to low-priced fashions for young teens and young women between 13 and 22 years of age. The store's name refers to the junior miss clothing sizes the store specializes in. In 1970, Edison Brothers Stores purchased the 5-7-9 chain, making it one of numerous clothing and shoe chains the company expanded nationwide. In May 1999, Edison Brothers, which had gone bankrupt and was being
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.