======================== unified (from filesystem) ========================
                                         'bitrate'  '118.591'
                                        'duration'  '340'
                                          'artist'  'Amanda Palmer'
                                     'text_people'  ''
                                         'release'  'The ultimate rarities'
                                           'title'  'Hurt (Nine Inch Nails cover)'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['punk cabaret', 'piano', 'female vocalists', 'alternative', 'singer "
 "songwriter']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '140.433'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The ultimate rarities'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Hurt (Nine Inch Nails cover)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Amanda Palmer'
'TPE2' (Band/orchestra/accompaniment)               'Amanda Palmer'
'TRCK' (Track number/Position in set)               '1'
'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:lastfmtags'                                   ['punk cabaret',
 'piano',
 'female vocalists',
 'alternative',
 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.602703'

========================== row from database ==========================
                                              'id'  1364528
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/The ultimate rarities/03 - hurt (nine inch nails cover).mp3
                                         'working'  None
                                         'bitrate'  118
                                    'duration_sec'  340
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  5068800
                                           'mtime'  1637330522
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos Dresden Dolls & 03 hurt (nine inch nails ifs songwriter;ifs songwriter eos
                                      'tag_artist'  Amanda Palmer
                                     'tag_release'  The ultimate rarities
                                       'tag_title'  Hurt (Nine Inch Nails cover)
                                             'bpm'  140.433
                                    'search_title'  'cover':6,7 'hurt':1 'inch':4 'nails':5 'nine':2,3
                                   'search_artist'  'amanda':1 'palmer':2
                                  'search_release'  'rarities':3 'the':1 'ultimate':2
                                     'search_rest'  '00singer':1 '00songwriter':4 'dolls':6 'dresden':5 'eos':3 'hurt':7 'ifs':12,14,16 'inch':10 'nails':11 'nine':8,9 'songwriter':2,13,15
                                    'search_combo'  '00singer':13 '00songwriter':16 'amanda':8B 'cover':6A,7A 'dolls':18 'dresden':17 'eos':15 'hurt':1A,19 'ifs':24,26,28 'inch':4A,22 'nails':5A,23 'nine':2A,3A,20,21 'palmer':9B 'rarities':12C 'songwriter':14,25,27 'the':10C 'ultimate':11C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['punk cabaret', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330522.098858  (2021-11-19 15:02:02)
                             'size'  5068800