All just my personal opinion
Comparing recordings of Beethoven’s Sonata for Piano and Horn or Cello in F major, op.17; artists: Anneke Scott / Kathryn Cok (natural horn / fortepiano, 2007) — Steven Isserlis / Robert Levin (cello / fortepiano, 2012) — Miklós Perényi / András Schiff (cello / piano, 2001/2002)
Comparing recordings with the following artists: Casals/Horszowski (1939), Fournier/Schnabel (1948), Fournier/Gulda (1959), Fournier/Kempff (1965), Harrell/Ashkenazy (1987), Isserlis/Levin (2012), Maisky/Argerich (1991), Perényi/Schiff (2004),
Queyras/Melnikov (2013), Rostropovich/Richter (1962), Wispelwey/Komen (1991), Wispelwey/Lazić (2004)
Concert Review, Steven Isserlis, Mario Venzago / Bern Symphony Orchestra @ Kultur-Casino Bern, 2017-05-18 — Richard Strauss: “Till Eulenspiegels lustige Streiche”, op.28; Robert Schumann: Cello concerto in A minor, op.129; Johannes Brahms: Symphony No.1 in C minor, op.68
Concert review — Zurich, 2016-12-14: Steven Isserlis, Paavo Järvi/Tonhalle Orchestra Zurich performing Sergei Prokofiev: Cello Concerto in E minor, op.58; Robert Schumann: Symphony No.3 in E♭ major, op.97, “Rhenish”
Comparing recordings with the following artists: Casals/Horszowski (1939), Fournier/Schnabel (1948), Fournier/Gulda (1959), Fournier/Kempff (1965), Harrell/Ashkenazy (1987), Isserlis/Levin (2012), Maisky/Argerich (1991), Perényi/Schiff (2004),
Queyras/Melnikov (2013), Rostropovich/Richter (1962), Wispelwey/Komen (1991), Wispelwey/Lazić (2004)
Comparing recordings with the following artists: Casals/Schulhof (1930), Fournier/Schnabel (1947), Fournier/Gulda (1959), Fournier/Kempff (1965), Harrell/Ashkenazy (1987), Isserlis/Levin (2012), Maisky/Argerich (1993), Perényi/Schiff (2004),
Queyras/Melnikov (2013), Rostropovich/Richter (1961), Wispelwey/Komen (1991), Wispelwey/Lazić (2004)