The singinterval module

User documentation is in the section called “Sing interval”.

Here is a minimal lesson file:

header {
  module = singinterval
  lesson_id = "a400df62-e007-4a1b-9057-cd05397e88a2"
  version = "3.1.4"
  title = "Thirds"
  ask_for_intervals_0 = [3, 4]
  test = "3x"
  test_requirement = "90%"
}