======================== unified (from filesystem) ========================
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                                        'duration'  '161'
                                          'artist'  'Non Credo'
                                     'text_people'  ''
                                         'release'  'Eyesore: A Stab at the Residents'
                                           'title'  'Nice Skinny Sinister Old Man'
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                                      'lastfmtags'  "['11', 'avant-garde', 'experimental', 'avant-prog', 'progressive rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  '31'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '136.8'
                                             'key'  '4A'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '136.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Nice Skinny Sinister Old Man'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '162011'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Non Credo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Vaccination Records'
'TRCK' (Track number/Position in set)               '26/31'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Non Credo'
'TXXX:ASIN'                                         'B00000B0UG'
'TXXX:Acoustid Id'                                  '780bef5c-c6ec-4b7f-a9b7-ae1647031398'
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'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7bdc2a25-9582-4063-b5dd-b321b744e44f'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
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'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['11', 'avant-garde', 'experimental', 'avant-prog', 'progressive rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
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'TXXX:replaygain_track_peak'                        '1.021234'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'43f11947-8af4-4be4-8eed-4f7f19f923e2')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Residents/1996 - V.A. - Eyesore - A Stab at The Residents (Vaccination) [192k]/26 - non credo - nice skinny sinister old man.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  161
                                           'genre'  electronic-unsorted
                                        'filesize'  3892368
                                           'mtime'  1621625500
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm The 1996 V.A. The (Vaccination) [192k] 26 non credo nice skinny sinister old man electronic unsorted
                                      'tag_artist'  Non Credo
                                     'tag_release'  Eyesore: A Stab at the Residents
                                       'tag_title'  Nice Skinny Sinister Old Man
                                             'bpm'  136.8
                                    'search_title'  'man':5 'nice':1 'old':4 'sinister':3 'skinny':2
                                   'search_artist'  'credo':2 'non':1
                                  'search_release'  'a':3 'at':5 'eyesore':1,2 'residents':7 'stab':4 'the':6
                                     'search_rest'  '192k':8,9 '1996':2 '26':10 'a':4 'credo':12 'electronic':18 'man':17 'nice':13 'non':11 'old':16 'sinister':15 'skinny':14 'the':1 'unsorted':19 'v':3 'va':5 'vaccination':6,7
                                    'search_combo'  '192k':22,23 '1996':16 '26':24 'a':10C,18 'at':12C 'credo':7B,26 'electronic':32 'eyesore':8C,9C 'man':5A,31 'nice':1A,27 'non':6B,25 'old':4A,30 'residents':14C 'sinister':3A,29 'skinny':2A,28 'stab':11C 'the':13C,15 'unsorted':33 'v':17 'va':19 'vaccination':20,21
                                    'tag_tracknum'  26
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['11', 'avant-garde', 'experimental', 'avant-prog', 'progressive rock']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621625500.2368116  (2021-05-21 21:31:40)
                             'size'  3892368