======================== unified (from filesystem) ========================
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                                        'duration'  '467'
                                          'artist'  'Orbital'
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 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'idm', 'techno', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '4'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '137'
                                             'key'  '12B'
                                        'acoustid'  '9c266321-516c-4b09-bb2f-2e0d1c9e0ead'
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Middle of Nowhere'
'TBPM' (BPM (beats per minute))                     '137'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-06-08'
'TIT2' (Title/songname/content description)         "I Don't Know You People"
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Orbital'
'TPE2' (Band/orchestra/accompaniment)               'Orbital'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'FFRR'
'TRCK' (Track number/Position in set)               '4/4'
'TSO2'                                              'Orbital'
'TSOP' (Performer sort order)                       'Orbital'
'TSRC' (ISRC (international standard recording code))  'GBANR9900004'
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'TXXX:Artists'                                      'Orbital'
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'TXXX:MusicBrainz Album Id'                         '3654b7c1-5daf-4c54-bc24-013e51525ddb'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f3e2a7d9-c6bb-4848-95e5-04c0a1e2f511'
'TXXX:MusicBrainz Release Group Id'                 '02c29934-63e6-39e6-88ef-2caf41154190'
'TXXX:MusicBrainz Release Track Id'                 '0f8ba658-7496-301d-bd81-d1da55ff374e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'techno', 'electronic', 'ambient']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
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'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
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'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.540530'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd74b885b-cb94-4de2-ba2b-142209bb944b')

========================== row from database ==========================
                                              'id'  1520410
                                            'path'  /data/Music/Bulk/00poprockelectronic/Orbital/Middle Of Nowhere/Orbital - I Don_t Know you People - 04.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  467
                                           'genre'  electronic
                                        'filesize'  9391988
                                           'mtime'  1636914264
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of Don_t you 04 electronic
                                      'tag_artist'  Orbital
                                     'tag_release'  The Middle of Nowhere
                                       'tag_title'  I Don't Know You People
                                             'bpm'  137.0
                                    'search_title'  'don':2 'dont':4 'i':1 'know':5 'people':7 't':3 'you':6
                                   'search_artist'  'orbital':1
                                  'search_release'  'middle':2 'nowhere':4 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'don':3 'electronic':6 'of':2 't':4 'you':5
                                    'search_combo'  '00poprockelectronic':13 'don':2A,15 'dont':4A 'electronic':18 'i':1A 'know':5A 'middle':10C 'nowhere':12C 'of':11C,14 'orbital':8B 'people':7A 't':3A,16 'the':9C 'you':6A,17
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'techno', 'electronic', 'ambient']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914264.4153786  (2021-11-14 19:24:24)
                             'size'  9391988