In 2018 Jeff Knudsen donated his 5000+ cassette tape collection to www.shnflac.net.
The ensuing GEMS Lossless Legs production is releasing each of these tapes as raw transfers in digital format, one file per cassette side.

Transfer info: Nakamichi CR-7A (Rebuilt by ESL August 2019) -> Sound Devices MixPre-3M
Transfer by: Jay Haines
Date on label: December 31, 1984
Note: Dolby B was used during playback

Here's what deadlists.com says occurred on this date and the sources in circulation at the time of this seed.
This release may or may not be one of these sources.
This entry is included as an aid to future researchers.
As always, listen, look at the pictures and judge for yourself.

Band 	Grateful Dead
Venue 	San Francisco Civic Center
Location 	San Francisco, CA
Date 	12/31/84 - Monday 	posters 	tickets, passes & laminates
One 	Shakedown Street [16:00] ;
New Minglewood Blues [7:30] ;
Peggy-O [6:17] ;
Jack Straw [4:54] >
Bird Song [11:48] ;
Hell In A Bucket [5:46] >
Don't Ease Me In [3:07]
Two 	Sugar Magnolia (1) [5:49] >
Scarlet Begonias [12:35] >
Fire On The Mountain [12:02] ;
Man Smart (Woman Smarter) [6:45] >
Drums [4:17#] >
Space [14:04] >
The Wheel [4:58] >
Throwing Stones [7:54] >
Turn On Your Love Light [7:47]
Three 	Gimme Some Lovin' [4:51] >
Uncle John's Band [7:11] ;
Around And Around [5:23] >
It's All Over Now, Baby Blue [6:50]
Comments 	(1) no Sunshine Daydream, Sugar Mags at midnight
Recordings
Master recording source(s): Mcintosh MR67 Tuner w/Nak 550 Cassette
Download/Listen Sources

    SBD -> Cassette Master -> Cassette (Maxell XLII-S
    Source: Schoeps CMC441s (90deg, 17cm) > Oade M118
    AKG Mics -> Cassette Master (Sony D5)
    FM -> Master Reel (1/4 Track 7.5ips Dolby B Tandb
    Front Row Balcony, Nakamichi CM-100s w/CP-4 shotg
    Nak 300 shotguns w/D6 OTS
    SBD -> Cassette Master -> Cassette (Maxell XLII-S
    Master Audience Recorded By Mr. Darby; Sennheiser
    Master Audience Recorded By Mr. Darby; Sennheiser
    MAC; 2 Sennheiser 421s > Sony D5 > TDK MA-R 90 (S
    SB > MR > ?? [apparently FM] > DAT > CDR > EAC> S

Contributors 	(Gordon Sharpless)
Caretaker 	Barry Barnes email update

********** The GEMS Knudsen Tape Project  **********

In 2018, Jeff Knudsen bestowed his tape collection to the AZ GEMS
team for distribution and archiving. We have cherry picked some shows
and released them but have only scratched the surface. The process
of producing a complete and accurate mastered file set is time consuming:
select the show, compare to existing sources, adjust the tape deck,
transfer to digital, speed correct, master, aquire the source ID and
torrent. We realized we would never release most of collection using this
method.

As long as music is on tapes in a closet, it is useless. If it circulates
it is preserved for others and for the future. Rather than go through
the whole file set creation process, we transfer each tape or tape
side as a single digital file. A two tape concert consists either two big
audio files, 1 for each tape or 4 big audio files, one for each side of
the two cassettes.  We transfer professionally using the best gear and
a high quality Analog to Digital device. The Azimuth and Dolby settings
are correct. We release these files for everyone. We do not evaluate
the quality of the source, master it, or track it.

The Knudsen Tape Project is about sharing the tapes.

In each numbered release, along with the digital music files, we
include a photo of the tapes. The goal is to release as many of the
tapes as possible to the website www.shnflac.net.

We think the fruits of this project will become more interesting as time
passes. We believe that access to raw, properly transferred audio will
be of value to both present and future listeners, researchers and others.
Audio mastering technology is moving at breakneck speed. We can only imagine
the future technology that will be available. Having access to unmastered sources
could be invaluable.

HISTORY

The collection was started with a box of tapes Jeff Knudsen recieved
from his friend Dick Latvala in the late 70's. Dick was just a regular
guy in Pahoa, Hawaii and had not yet begun officially working with the
Greatful Dead. Over time, Jeff's collection grew. At that time, tapes were
currency and Jeff had gold. His collection increased to about 5000 coveted
tapes, via mail trades and all night copy-athons. Jeff shared them freely
and widely. If you had a soundboard tape in your collection years ago there
is a good chance it came from Jeff Knudsen.

WHAT CAN I DO WITH IT ?

Every release in this project is from a band that allows it's fans
to trade music non-commercially. We neither add or take away from that
permission. We only ask that you credit the Knudsen Tape Project if you
use the material. We ask nothing else of you and you do not need
to ask permission to use them. Since we ask only for source credit, we would
rather not hear complaints. Take what you need and leave the rest.

LINEAGE QUESTIONS

The notion of documenting lineage is a modern one, or simply one Jeff
did not entertain. We do not have lineage information on most of these
tapes. Any information we have will be in the photo of the tapes.
Some of the tapes sound absolutely fantastic. Others may remind
you of a tape you had long ago.

Now the rest is up to the community, with whom we have absolute faith
in the ability to discern.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Contact shnflac@gmail.com if you need more information.


SHNTOOL OUTPUT
    length     expanded size    cdr  WAVE problems  fmt   ratio  filename
    46:52.800     810086342 B   cxx   --   ---xx   flac  0.6723  gd1984-12-31-1A.flac
    46:55.007     810722024 B   cxx   --   ---xx   flac  0.6887  gd1984-12-31-1B.flac
    47:01.908     812709518 B   cxx   --   ---xx   flac  0.6801  gd1984-12-31-2A.flac
    46:59.821     812108486 B   cxx   --   ---xx   flac  0.6668  gd1984-12-31-2B.flac
   187:49.535    3245626370 B                            0.6770  (4 files)

gd1984-12-31-1A.flac:5789e3b60b1176546a30f528cd9a7364
gd1984-12-31-1B.flac:afd65bde392ffd106933c861c2f7bd99
gd1984-12-31-2A.flac:e8e52328326ae6fdd71c14902fb8a371
gd1984-12-31-2B.flac:620b70f375760a42b991f37e4a4026f0

efebf76c1f7f9db0cdae918d6e92b67e *gd1984-12-31-1A.flac
4561a05bfbcfce234ab09683a33e894f *gd1984-12-31-1B.flac
c254c46be806af799710dea9eed79024 *gd1984-12-31-2A.flac
bc27c607da459f516b17e152947cb2d1 *gd1984-12-31-2B.flac