======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '277'
                                          'artist'  'Brainticket'
                                     'text_people'  ''
                                         'release'  'Psychonaut'
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                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  ("['krautrock', 'progressive rock', 'psychedelic rock', 'experimental', "
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                                     'discogstags'  "['electronic', 'rock', 'krautrock', 'acid', 'psychedelic rock', 'space rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '6'
                                            'date'  '2010'
                                        'comments'  ''
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                                        'acoustid'  '5b210fe8-de11-4b09-b261-6f577322326c'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '135.546'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-psych'
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '2010-06-28'
'TIT2' (Title/songname/content description)         "Watchin' You"
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Brainticket'
'TPE2' (Band/orchestra/accompaniment)               'Brainticket'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Reactive'
'TRCK' (Track number/Position in set)               '3/6'
'TSO2'                                              'Brainticket'
'TSOP' (Performer sort order)                       'Brainticket'
'TXXX:ASIN'                                         'B003JIOHFE'
'TXXX:Acoustid Id'                                  '5b210fe8-de11-4b09-b261-6f577322326c'
'TXXX:BARCODE'                                      '5013929710535'
'TXXX:CATALOGNUMBER'                                'EREACD 1005'
'TXXX:MusicBrainz Album Artist Id'                  '8fbbcf55-9fc9-4e06-99dc-ef76d5816dcd'
'TXXX:MusicBrainz Album Id'                         'b8d3cd73-e3bf-4448-b0eb-938f6db02476'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8fbbcf55-9fc9-4e06-99dc-ef76d5816dcd'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'krautrock', 'acid', 'psychedelic rock', 'space rock']
'TXXX:lastfmtags'                                   ['krautrock',
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 'psychedelic rock',
 'experimental',
 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.507588'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f9739913-131b-4787-a2b6-7a8f1b4bb1f3')

========================== row from database ==========================
                                              'id'  1275937
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Brainticket - Psychonaut/Brainticket - Psychonaut - 03 - Watching You.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  277
                                           'genre'  electronic-experimental-psych
                                        'filesize'  8910153
                                           'mtime'  1637329332
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 03 Watching electronic experimental psych
                                      'tag_artist'  Brainticket
                                     'tag_release'  Psychonaut
                                       'tag_title'  Watchin' You
                                             'bpm'  135.546
                                    'search_title'  'watchin':1,2 'you':3
                                   'search_artist'  'brainticket':1
                                  'search_release'  'psychonaut':1
                                     'search_rest'  'electronic':2 'experimental':3 'psych':4 'watching':1
                                    'search_combo'  'brainticket':4B 'electronic':7 'experimental':8 'psych':9 'psychonaut':5C 'watchin':1A,2A 'watching':6 'you':3A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'progressive rock', 'psychedelic rock', 'experimental', 'psychedelic']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'rock', 'krautrock', 'acid', 'psychedelic rock', 'space rock']

============================== file details ==============================
                                           'mtime'  1637329332.1697147  (2021-11-19 14:42:12)
                             'size'  8910153