======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '283'
                                          'artist'  'Ani DiFranco'
                                     'text_people'  ''
                                         'release'  'Up Up Up Up Up Up'
                                           'title'  "'Tis of Thee"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
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                                      'lastfmtags'  "['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '104'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Up Up Up Up Up Up'
'TBPM' (BPM (beats per minute))                     '104'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-01-19'
'TIT2' (Title/songname/content description)         "'Tis of Thee"
'TKEY' (Initial key)                                '3B'
'TLEN' (Length)                                     '283160'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ani DiFranco'
'TPE2' (Band/orchestra/accompaniment)               'Ani DiFranco'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Righteous Babe Records'
'TRCK' (Track number/Position in set)               '1/11'
'TSO2'                                              'DiFranco, Ani'
'TSOP' (Performer sort order)                       'DiFranco, Ani'
'TSRC' (ISRC (international standard recording code))  'RB4US9800001'
'TXXX:ASIN'                                         'B00000G4NS'
'TXXX:Artists'                                      'Ani DiFranco'
'TXXX:BARCODE'                                      '748731701321'
'TXXX:CATALOGNUMBER'                                'RBR013-D'
'TXXX:MusicBrainz Album Artist Id'                  'a7bdc71f-697a-45d9-92b2-a01fbbe50272'
'TXXX:MusicBrainz Album Id'                         '8de6670c-c31d-415e-8be3-21c01fd36a4d'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a7bdc71f-697a-45d9-92b2-a01fbbe50272'
'TXXX:MusicBrainz Release Group Id'                 '07a48cd5-2fd5-3c3f-b61b-569ecd2c86e0'
'TXXX:MusicBrainz Release Track Id'                 'c3dd5a82-5302-3231-bee0-8addee5835c6'
'TXXX:Q-HAP'                                        '2'
'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'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:mood'                                         'Relaxed/Not aggressive/Not party/Electronic/Not happy/Not acoustic/Not sad'
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.672074'
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========================== row from database ==========================
                                              'id'  1498660
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Ani DiFranco/Up Up Up Up Up Up/_Tis Of Thee.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  283
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  4615512
                                           'mtime'  1636400717
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos _Tis Of ifs songwriter folk
                                      'tag_artist'  Ani DiFranco
                                     'tag_release'  Up Up Up Up Up Up
                                       'tag_title'  'Tis of Thee
                                             'bpm'  104.0
                                    'search_title'  'of':3 'thee':4 'tis':1,2
                                   'search_artist'  'ani':1 'di':3 'difranco':2 'franco':4
                                  'search_release'  'up':1
                                     'search_rest'  '00singer':1 '00songwriter':4 'eos':3 'folk':8 'ifs':7 'of':6 'songwriter':2 'tis':5
                                    'search_combo'  '00singer':10 '00songwriter':13 'ani':5B 'di':7B 'difranco':6B 'eos':12 'folk':17 'franco':8B 'ifs':16 'of':3A,15 'songwriter':11 'thee':4A 'tis':1A,2A,14 'up':9C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1999
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1636400716.8586195  (2021-11-08 20:45:16)
                             'size'  4615512