We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
Last full accuracy audit: 2026-09-01 · 5 entries checked · 3 flagged · 8 issues confirmed · 3 corrected · 5 still open
Titta Ruffo — The entry states Ruffo's sister was married to Giacomo Matteotti, which is incorrect; Ruffo was a friend and supporter of Matteotti, but no such marriage occurred.
Titta Ruffo — The entry claims Ruffo vowed never to sing in Italy again after Matteotti's murder, but he continued singing in Italy until 1931 and did not make such a vow.
Wilhelm Backhaus — The claim that Backhaus's 1909 recording of the Grieg Piano Concerto is the first known recording of a piano concerto is incorrect because Backhaus himself made an earlier abridged recording of the same concerto in 1904.
Wilhelm Backhaus — The claim that Cortot's 1933 recording was the first complete recording of Chopin's Études is reversed; Backhaus's 1928 recording was actually the first.
Wilhelm Kempff — The entry states Kempff entered the Berlin Hochschule für Musik at age nine, but he actually entered at age eight (1904).
Wilhelm Kempff — The entry says his first major recital in 1917 featured Beethoven's Hammerklavier Sonata, but his debut program included Beethoven's Op. 111, not the Hammerklavier (Op. 106).
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