• time signature
    • Most settings are in free time, or just don't need a signature.
  • Turn off measure numbers: Format → Style → uncheck Measure Numbers
  • Turn off page numbers: Format → Style → Page
  • key signature
    • On the left, “Key signatures” is a palette. Drag and drop (I think?)
  • add notes
    • It likes to jump octaves when you least expect it. ctrl+up and ctrl+down move the currently-selected note up or down an octave.
    • Tuplets: In Note Entry mode, select a note the total length of the tuplet. (So, for 3 quarter note triplets, select a half note.) Push ctrl+3, then enter the three notes.
    • Fermata: Select the note that gets the fermata. From the “Articulations” palette on the left, double-click the fermata.
  • pickup notes
  • add slurs
  • delete extra measures
  • set page to A7, landscape
  • Futz with the spacing until you're happy
  • To split a measure in the middle:
    • Select the note immediately after where you want the split
    • Tools → Measure → “Split Measure Before Selected Note/Rest”
    • Select a note in the measure before the split
    • press enter; the lines should be how you want them now.
  • 400% zoom in Musescore 3. 66.6% zoom in GIMP.
  • Fix white background; it's not #FFFFFF.