enter image description hereThis symbol is on a clarinet etude sheet, but I don't have any clue what it means.

close up, looks like a + attached on top of a box

  • 2
    And who is the particular composer?
    – Tim
    Jul 11 at 10:10
  • If it's clarinet, then the key signature would help, because all those notes (B/C/C#/F/F#)use similar keys, and it may be possible to deduce the meaning from how each note should be fingered. Jul 11 at 10:21
  • Hi Andrew, I’ve updated the sheet. thanks for your prompt hint. Jul 11 at 10:35
  • 4
    Please add the title and composer.
    – Aaron
    Jul 11 at 13:21
  • 4
    As far as I know, this is not a common and standardized musical symbol, and probably has been invented by this author and explained somewhere in the text, perhaps an introduction to the book. There are several non-standard symbols: the triangle with a dot in the center, the small notes that look like 8th notes (quavers) with hollow noteheads, the numerals like "25" or "89" in italics. If you've gotten this etude out of context, like as a photocopy or pdf, I recommend finding the original publication. Jul 11 at 14:42

1 Answer 1


The cross-on-square symbol means to begin, then stop, rocking backwards in your chair. The 25 symbol is a cue marking when the offstage speakers begin blasting Chicago's "25 or 6 to 4." At the indication 80, each audience member begins singing their favorite 80's song in falsetto. At 89, each player reaches over and removes the hat of the player on his or her left, unless there is no player there in which case the performer would pop a pre-inflated balloon. For the empty grace note, the player may either switch instruments with a neighbor, or call out "nugget!"

Perhaps someone could post the composer and piece title. These instructions may differ from mine.

  • Yes, I suppose a downvote is what I deserved... but it should be said that my interpretation is as good as anyone else's in the absence of the composer and his/her explanation.
    – nuggethead
    Aug 29 at 23:07

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