Piano Factory 26.

With a blunt motif, 31 variations and a coda, Riotte’s Météorite et ses métamorphoses establishes itself as a concentrated chain of modernist miniatures.

Used Bin Troll Tweets S.

A group wedding that ends badly for all. Salieri’s early French success stems from Gluck’s influence.

String Theory 19: Mostly Cello

Pieces requiring retuning or scordatura have a modest foothold in the literature. It is very unusual to encounter works where strings are adjusted while playing, but several specimens fill out Ballon’s bold recital.

String Theory 15: Piano Trios, Quartets and Quintets, etc.

This two-CD set’s anchor is the big Piano Quintet, whose music went missing after initial performances. The autograph score was delivered anonymously to the Schnabel archive in 2001 and this is its first recording. At three movements spanning 55 minutes, it’s a monster.

String Theory 10: 23 Quartets, etc.

Schnittke’s four make a mismatched family.

Artur Schnabel’s “Love Affair”

We learn, perhaps to our surprise, that Artur Schnabel, the venerated Beethoven, Mozart and Schubert specialist, preferred composing to performing.

Artur Schnabel’s Seven Piano Pieces

Written in 1947 at Sils Maria in the Swiss Alps, Seven Piano Pieces is Schnabel’s last composition for piano, and in his own estimation, his best.