======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '184'
                                          'artist'  'Sara and Tegan'
                                     'text_people'  ''
                                         'release'  'Under Feet Like Ours'
                                           'title'  'Divided'
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                                      'lastfmtags'  "['indie/indie pop/alternative/female vocalists/canadian']"
                                     'discogstags'  "['rock/alternative rock/folk rock/indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '124.392'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Under Feet Like Ours'
'TBPM' (BPM (beats per minute))                     '124.392'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Divided'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sara and Tegan'
'TPE2' (Band/orchestra/accompaniment)               'Sara and Tegan'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Plunk Records'
'TRCK' (Track number/Position in set)               '1/13'
'TSO2'                                              'Tegan and Sara'
'TSOP' (Performer sort order)                       'Tegan and Sara'
'TSRC' (ISRC (international standard recording code))  'USTCZ0976948'
'TXXX:ASIN'                                         'B000V9HU1W'
'TXXX:Artists'                                      'Sara and Tegan'
'TXXX:BARCODE'                                      '626570910138'
'TXXX:CATALOGNUMBER'                                'STCD-001'
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'TXXX:MusicBrainz Album Id'                         '5054616a-df71-4f0d-97c8-05b42bba2d28'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd13f0f47-36f9-4661-87fe-2de56f45c649'
'TXXX:MusicBrainz Release Group Id'                 'e8bfa13e-a5ab-3c50-8eb6-4b4b1f838679'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
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'TXXX:discogstags'                                  'rock/alternative rock/folk rock/indie rock'
'TXXX:lastfmtags'                                   'indie/indie pop/alternative/female vocalists/canadian'
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.99 dB'
'TXXX:replaygain_track_peak'                        '0.865880'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Tegan and Sara/Tegan and Sara - Under Feet Like Ours/Tegan and Sara - Under Feet Like Ours/01 - Divided.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  184
                                           'genre'  ifs-songwriter
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                                           'mtime'  1637330579
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01 ifs songwriter
                                      'tag_artist'  Sara and Tegan
                                     'tag_release'  Under Feet Like Ours
                                       'tag_title'  Divided
                                             'bpm'  124.392
                                    'search_title'  'divided':1
                                   'search_artist'  'and':2 'sara':1 'tegan':3
                                  'search_release'  'feet':2 'like':3 'ours':4 'under':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':9 'and':3B 'divided':1A 'eos':11 'feet':6C 'ifs':12 'like':7C 'ours':8C 'sara':2B 'songwriter':10 'tegan':4B 'under':5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie/indie pop/alternative/female vocalists/canadian']
                                        'tag_date'  1999
                                     'discogstags'  ['rock/alternative rock/folk rock/indie rock']

============================== file details ==============================
                                           'mtime'  1637330578.5184345  (2021-11-19 15:02:58)
                             'size'  2964381