1. Allegro non troppo e molto maestoso [0:00]
2. Andantino semplice [17:38]
3. Allegro con fuoco [23:36]

American 78 rpm record.
RCA Victor, recording 6 May 1941, Carnegie Hall, New York.
Vladimir Horowitz, piano,
Arturo Toscanini, conductor,
NBC Symphony Orchestra.
18145/52 M-800 - Piano Concerto No. 1 in B-flat minor, op. 23 (Tchaikovsky)

-transferred from the original 78 rpm records at 78 rpm with a standard USB turntable (DJ Tech Vinyl USB 10 with Audio Technica AT-91 system) equipped with special needle ATN-78 (65µm). Turntable speed adjusted to correct pitch.
-analog RIAA compensation and equalisation with Behringer FBQ800: 63 Hz/-1 dB, 125 Hz/+1 dB, 250 Hz/+2 dB, 500 Hz/-3 dB, 1 kHz/0 dB, 2 kHz/+3 dB, 4 kHz/+7 dB, 8 kHz/+8 dB, 16 kHz/-7 dB
-digital mono conversion
-declicking/decrackling with ClickRepair (Wavelet, 100%, 100%, all)
-Audacity:
-48 db high pass filter below 20 Hz
-normalisation to 0 dB
-Reaper EQ:
-Type Band, Freq. 183 Hz, Gain 5.8 dB, Bandwidth 3.0 oct
-Type Band, Freq. 6500 Hz, Gain -4.0 dB, Bandwidth 2.4 oct
-Type Band, Freq. 11097 Hz, Gain 8.5 dB, Bandwidth 2.0 oct
-Type Low Pass, Freq. 19103 Hz, Gain 0.0 dB, Bandwidth 2.0 oct
-Audacity:
-normalisation to 0 dB
Spatial enhancement (for unprocessed mono, please listen to left channel only):
-prepare 3 copies of the monaural track (1, 2, 3)
-1, 2, 3: normalise to -4 dB
-2: switch to left channel
-3: switch to right channel, add 10 ms silence to the beginning
-2,3 join as stereo track
-mix 1 (-9 dB) with (2,3) (+2 dB)
-adjust balance
-normalise result to 0 dB