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Case file

Klezmer

Wikipedia's first sentence called it “musical tradition which parallels hasidic and ashkenazic judaism”. Today it says “instrumental musical tradition of the ashkenazi jews of central and eastern europe”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2005 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in 2005

Klezmer (כלזמיר, from Hebrew k'li zemer כלי זמר, "instrument of song") is a musical tradition which parallels Hasidic and Ashkenazic Judaism . Around the 15th century , a tradition of secular Jewish musicians developed called klezmorim . They drew on devotional traditions extending back into Biblical times, and their musical legacy of klezmer continues to evolve today. The repertoire is largely dance songs for weddings and other celebrations. Originally, klezmer (plural klezmorim ) referred to the instruments played, then was extended to refer to the performers, and ultimately to the genre of music. Due to the Ashkenazi lineage of this music, the lyrics, terminology and song titles are typically in Yiddish .1

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 16058996.
Today
Wikipedia's first sentence called it “musical tradition which parallels hasidic and ashkenazic judaism”. Today it says “instrumental musical tradition of the ashkenazi jews of central and eastern europe”. Read the current article and compare.
2005201020152020Oct '232025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

What Wikipedia says this is

Every article opens by defining its subject. This one was redefined since 2005, and today's defining sentence is their current revision.

Then

musical tradition which parallels hasidic and ashkenazic judaism

Now

instrumental musical tradition of the ashkenazi jews of central and eastern europe

Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.

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