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For more information, please see full course syllabus of Music Theory
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Double Sharps & Flats

  • A double sharp looks like an X and raises a note two half steps.
  • A double flat looks like two flat signs bb and lowers a note two half steps.

Double Sharps & Flats

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Lesson Objectives 0:12
  • Review of Sharp 0:19
  • Double Sharp 1:13
    • X = Double Sharp
  • Double Sharp In a Scale 3:58
  • Review of Flat 5:59
  • Double Flat 7:24
    • Two Flat Signs = Double Flat
    • Use of Double Flat In a Scale
  • Example 1: Writing Double Sharps 11:02
  • Example 2: Double Sharp Equivalencies 11:30
  • Example 3: Writing Double Flats 12:11
  • Example 4: Double Flat Equivalencies 12:42