Hi Ming,
I played a bit to reproduce the measure you sent. This was my first try to
typset the upper staff:
\version "2.18.2"
\relative c ' {
\key g \major
<c d fis a>4 <es g bes>8[ <d f g b>]:64---> ~
q2:32\fermata
\bar "|."
}
However there are 3 things to notice (one on notation and 2 on Lilypond):
1. At least for Lilypond, the 3 slashes mean a 1/64th -tremolo - probably
because the beam counts a fourth slash (?). This means the notation in your copy
and in Lilypond has different opinions on this. I would choose a 1/32th-tremolo
as for the half note chord at the end (i.e. 2 slashes + beam).
2. The beam gets very steep with this tremolo sign and it should not because the
chords are on the level. This can be done by overriding Beam.positions.
But I would have thought LilyPond is a bit more clever here out-of-the-box.
3. The second tie from the top is extremely short (just a dot). I think Lilypond
should figure out somehow that a chord with a note on the right of the stem
needs a bit longer ties than it is now. This can be done with a tweak (or an
override) of the minimum-length.
@Developers: Could one consider these two things a bug (ugly): Issues 2 and 3
here (tremolo shifts beam too much and ties in chords with seconds too short)?
With these tweaks it looks ok:
\version "2.18.2"
\relative c ' {
\key g \major
\override Beam.positions = #'(3 . 3)
<c d fis a>4 <es g bes>8[ <d f g b>]:32--->
-\tweak #'minimum-length #4 ~
q2:32\fermata
\bar "|."
}
Cheers,
Joram
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