======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '425'
                                          'artist'  'Maryanne Amacher'
                                     'text_people'  ''
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                                           'title'  'Living Sound, Patent Pending - Music for Sound-Joined Rooms Series (edit)'
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                                      'lastfmtags'  ("['experimental', 'avant-garde', 'contemporary classical', 'electronic', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '13'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '142.6'
                                             'key'  '1A'
                                        'acoustid'  'e2ae8a4e-ff6e-4203-b00b-edc8003e93fc'
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'OHM: The Early Gurus of Electronic Music'
'TBPM' (BPM (beats per minute))                     '142.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-04-25'
'TIT2' (Title/songname/content description)         'Living Sound, Patent Pending - Music for Sound-Joined Rooms Series (edit)'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Maryanne Amacher'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/3'
'TPUB' (Publisher)                                  'Ellipsis Arts...'
'TRCK' (Track number/Position in set)               '7/13'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Amacher, Maryanne'
'TXXX:ASIN'                                         'B00004T0FZ'
'TXXX:Acoustid Id'                                  'e2ae8a4e-ff6e-4203-b00b-edc8003e93fc'
'TXXX:BARCODE'                                      '052296367022'
'TXXX:CATALOGNUMBER'                                'CD3670'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '3e61da6a-6b77-3c92-b70e-ae170da0e0e3'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'e81da9a6-32cb-4e84-bdb4-2f9601295095'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['experimental',
 'avant-garde',
 'contemporary classical',
 'electronic',
 'tzadik']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.31 dB'
'TXXX:replaygain_track_peak'                        '0.703494'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2ad3b594-acb6-4ca8-8e97-bde86ff85469')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Disc 3 (of 3)/07 maryanne amacher living sound, patent pending music (edit.mp3
                                         'working'  None
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                                    'duration_sec'  425
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  10205734
                                           'mtime'  1636915580
                                   'redo_metaread'  0
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                                      'tag_artist'  Maryanne Amacher
                                     'tag_release'  OHM: The Early Gurus of Electronic Music
                                       'tag_title'  Living Sound, Patent Pending - Music for Sound-Joined Rooms Series (edit)
                                             'bpm'  142.6
                                    'search_title'  'edit':13,14 'for':7 'joined':9 'living':1 'music':6 'patent':4 'pending':5 'rooms':11 'series':12 'sound':2,3,8 'soundjoined':10
                                   'search_artist'  'amacher':2 'maryanne':1
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                                     'search_rest'  '3':2,5 'amacher':7 'disc':1 'electronic':14 'experimental':15 'living':8 'maryanne':6 'music':13 'oddness':16 'of':3,4 'patent':11 'pending':12 'sound':9,10
                                    'search_combo'  '3':26,29 'amacher':16B,31 'disc':25 'early':20C 'edit':13A,14A 'electronic':23C,38 'experimental':39 'for':7A 'gurus':21C 'joined':9A 'living':1A,32 'maryanne':15B,30 'music':6A,24C,37 'oddness':40 'of':22C,27,28 'ohm':17C,18C 'patent':4A,35 'pending':5A,36 'rooms':11A 'series':12A 'sound':2A,3A,8A,33,34 'soundjoined':10A 'the':19C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'avant-garde', 'contemporary classical', 'electronic', 'tzadik']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915580.2175207  (2021-11-14 19:46:20)
                             'size'  10205734