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Daniel's Collection

Chick Corea   01/30/1973

Keystone Korner, San Francisco, CA
Source Speed corrected revision

Lineage: FM > unknown > CDR from Trade>EAC>normalized/amplified w/ Audacity>FLAC
Additional lineage: FLAC > foobar2000 (combine tracks) > MATLAB > FLAC > TLH > FLAC (level 8)
Checksums 01 Noon Song.flac:e6dda08019a5a6d0fb05408373e6cb96
02 Falling Grace.flac:a17f9f450c285777eac0ac59956daea2
03 Jonathan Livingston Seagull.flac:3fa58201d283a4f5a67d2e68bf518b42
Media
Notes Original audio shared by mr_mags on June 27, 2008

mr_mags Notes:
Slight static & hiss emanate from this rare old FM broadcast. The beauty & lyricism of Chick's playing shines
through, though. Those over 45 years old might remember the novel: Jonathan Livingston Seagull. Chick's
interpretation of JLS' journey is a true work of art-IMO.

Revision Notes:
-Spectral analysis suggests that most of track 1 was noise reduced sometime earlier in the lineage, but apparently
the noise reduction was turned off or at least turned down near the end of track 1 and for tracks 2/3
-Varying phase error that increased as the recording progressed, with the right channel leading by an average of
14 samples to a maximum of 22 samples
-Varying phase error corrected automatically in MATLAB
-Some clipping, mostly during the first 5 sec and only minor elsewhere, so I lowered the levels of everything by
2.86 dB and clip fixed at a threshold of 98%
-1st order low pass filtered with a cutoff of 7 kHz for only the first 5 sec to reduce clip fix artifacts
-Note that the effective bandwidth of that part of the recording only extends to 5-6 kHz, so no useful frequency
info was lost in those 5 sec of filtered audio
-Original audio ran slow. Speed increased for everything by +3.5%.
-ledwhofloyd (Ross), Jan. 2023
Trades Allowed Yes
Owned by Daniel · Last Updated Feb 11, 2026