5 to 9 the episode's central character, "In "5 to 9," we get more face time with Cuddy, and she's less of a cypher than usual, but her true nature remains tantalizingly out of reach." Handlen commented that the episode had some good scenes, but ultimately did little to advance the show, grading it "B". TV Squad's Jonathan Toomey raised similar issues, noting that "'5 to 9' wasn't a bad episode (in many ways, it felt like a back-door pilot for Cuddy), but it was, in a word, pointless." Toomey wrote that "At the end of the day, '5 to 9' doesn't really
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.