======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Scout Niblett'
                                     'text_people'  ''
                                         'release'  'Sweet Heart Fever'
                                           'title'  'Sweet Heart Fever'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'female vocalists', 'indie rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '14'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '142.708'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000008C0 00000873 0001FB02 0001EA75 00024048 00024048 00007EE1 00007CE6 '
 '0002BB78 00012558')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B25 000000000095C8CB 00000000 007CBF00 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '14+AB0EADAE4E94A98FDDE534DB33E11D76+1656421'
'TALB' (Album/Movie/Show title)                     'Sweet Heart Fever'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'iTunes v7.5.0.20'
'TIT2' (Title/songname/content description)         'Sweet Heart Fever'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Scout Niblett'
'TPE2' (Band/orchestra/accompaniment)               'Scout Niblett'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '14/14'
'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:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'indie rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.496978'

========================== row from database ==========================
                                              'id'  1268411
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Scout Niblett/Sweet Heart Fever/14 sweet heart fever.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  ifs-songwriter
                                        'filesize'  8641127
                                           'mtime'  1637330608
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 14 sweet heart fever ifs songwriter
                                      'tag_artist'  Scout Niblett
                                     'tag_release'  Sweet Heart Fever
                                       'tag_title'  Sweet Heart Fever
                                             'bpm'  142.708
                                    'search_title'  'fever':3 'heart':2 'sweet':1
                                   'search_artist'  'niblett':2 'scout':1
                                  'search_release'  'fever':3 'heart':2 'sweet':1
                                     'search_rest'  '00singer':1 'eos':3 'fever':6 'heart':5 'ifs':7 'songwriter':2 'sweet':4
                                    'search_combo'  '00singer':9 'eos':11 'fever':3A,8C,14 'heart':2A,7C,13 'ifs':15 'niblett':5B 'scout':4B 'songwriter':10 'sweet':1A,6C,12
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1637330607.7647994  (2021-11-19 15:03:27)
                             'size'  8641127