An outline of comparison
To compare microphone position in Piano recording. Beethoven's Piano Sonata No. 4 and Shostakovich's 24 Preludes and Fugues Played by Yusuke Azuma in Nagoya University of Arts's hall on Nov 2021.You can feel the difference between balance of direct and indirect sound depends on microphone direction.
Please click the following photo.You can listen it. Sound format is 44.1kHz mp3 320kbps.