On this day, the birthday of Ludwig van Beethoven [16/17 December], I've found yet another YouTube video upload purporting to be the pianist's performance in Belgrade in 1974 with conductor Zivojin Zdravkovic of Beethoven's Piano Concerto No. 4 in G major Op.58. I repeat what Noël [no surname] added to the Slipped Disc website: " It is Maria Tipo. This was a concert from the Belgrade Festival. Also on the programme was Debussy La Mer and Sofoson 1 by the Serbian composer, Br

Musicologist Piero Rattalino once mentioned that there exists a recording by Arturo Benedetti Michelangeli of a performance of César Franck's Symphonic Variations  which was made on 13 May, 1975, in Zürich under conductor Erich Leinsdorf.  "This recording, made without the consent of the heirs, cannot be released for another fifty years." Fifty years are now up. Has anyone heard any news? Who are the heirs? If true, why was this recording embargoed? Curiouser and curiouse