3

Suppose I have four of eighth notes(4/4 as time signature), all of them at different pitches, one being very high. An example is show below:

Notes

How would I know if I need to turn that upside down(downward stem) or not? Is there a method that applies to sixteenth notes, thirty-second notes, etc.?

  • By “turn upside down” do you mean write it with downward stems? If so, if you use software it should do it automatically. – Todd Wilcox Mar 14 at 22:54
  • @ToddWilcox: Yeah, I know but is there some technique when not using software? I also mean downward stems. – Xilpex Mar 14 at 22:56
  • I'm not sure what difference the duration of the note makes. Do you know when to draw stem-up or stem-down for quarter-notes? – David Bowling Mar 14 at 22:56
  • 3
    I think it's worth noting that not everyone has always solved this problem in the exact same way. Sometimes in printed music you see a beam with some of the stems going down and some going up. – David K Mar 15 at 4:25
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    @ToddWilcox Placing trust in software to get things right is the pathway to Purgatory! (Yeah, I know that most typesetting software gets things right almost all the time, but..) – Carl Witthoft Mar 15 at 12:46
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Notes below the center stave have stems pointing up, and notes above the center stave have stems pointing down. It does not matter whether the notes are half, quarter, eighth, sixteenth, etc.; it only matters that the notes have stems.

For beamed groupings, if the number of notes above the center stave is equal to the number below for that grouping, choose the stem direction based on the note head furthest from the center stave. If the number of note heads above the stave is greater than the number below, use the rule for notes above the center stave. Similarly, if the number of note heads below the center stave is greater than the number above, use the rule for notes below the center stave.

When in doubt, use downward-pointing stems. As always, use your best judgement when something doesn't look quite right to you or if the context suggests one choice over another.

  • yep, nothing is more annoying than playing a run of 16ths and some publisher flipped the stem on one or two notes in the middle of the run. – Carl Witthoft Mar 15 at 12:45
  • @CarlWitthoft - I've seen those some-flipped-stems runs in piano sheet music before. Those flipped stems often mean that your other hand should play those notes instead of your primary note run hand for that passage. – Dekkadeci Mar 15 at 16:19
  • @Dekkadeci yes, that's been stated. Us orchestra members recognize the same method of indicating divisi parts. But when it shows up in the solo part of a concerto... – Carl Witthoft Mar 15 at 16:59
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The general stemming rule (for individual notes) is: from third space upward, use downward pointing stems; from the second space downward, use upward pointing stems. On the third line, one can go either way. However, one may wish to violate the rules a bit to make stemming match a melodic contour.

Multiple notes on the same stem follow the majority of the chord notes; in this case, the third line goes down.

With things like contrapuntal pieces or hymns (in 4-part harmony) generally stem according to voices; high voices have upward pointing stems and lower voices have downward pointing stems.

In all cases, readability is paramount.

1

Unless one is using stem direction to indicate voices, the most important "rule" is to use judgment in determining whether other rules "work" in a particular case, and overriding them when they don't. Most rules take a fairly narrow view of each individual problem, but in many cases other considerations may be more important.

For example, if there are many groups of beamed notes in succession, readability may be improved if the beams can be made to follow a reasonable contour, keeping beam directions consistent when practical. If the above message appeared between a bunch of beamed groups of low notes, and a bunch of beamed groups of high notes, it might make sense to have the preceding groups be beamed above the notes, the following groups be beamed below the notes, and the one group shown above slope down and to the right "between" the notes.

What's important is not to look at each beamed group independently, but to figure out an overall layout that visually makes sense. Oftentimes, there will be some beamed groups that could beamed reasonably well in several different ways if viewed only in isolation, but some of those ways would fit better than others in the context of surrounding groups.

Note also that an editor who is working as a member of a publisher's staff may need to adapt a more "mechanical" approach than someone who is working independently. If a publisher might end up having different parts of a piece laid out by different people, having those parts appear consistent may be more important than having them be maximally readable. If one is working independently, however, then trying to figure out what layout would be more readable would be more valuable.

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