======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '79'
                                          'artist'  'Voicst'
                                     'text_people'  ''
                                         'release'  '11-11'
                                           'title'  'How To Put It?'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '85.058'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:&\t\x00\x00'                     PRIV(owner='AverageLevel', data=b'&\t\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     '11-11'
'TBPM' (BPM (beats per minute))                     '85.058'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'How To Put It?'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Voicst'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'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'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '1.000130'

========================== row from database ==========================
                                              'id'  1266578
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Voicst/11-11/Voicst - 12 - How To Put It¿ .mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  79
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  2535256
                                           'mtime'  1642256597
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 12 It¿ ifs songwriter indie unsorted
                                      'tag_artist'  Voicst
                                     'tag_release'  11-11
                                       'tag_title'  How To Put It?
                                             'bpm'  85.058
                                    'search_title'  'how':1 'it':4 'put':3 'to':2
                                   'search_artist'  'voicst':1
                                  'search_release'  '11':1,2 '1111':3
                                     'search_rest'  '00singer':1 'eos':3 'ifs':5 'indie':6 'it':4 'songwriter':2 'unsorted':7
                                    'search_combo'  '00singer':9 '11':6C,7C '1111':8C 'eos':11 'how':1A 'ifs':13 'indie':14 'it':4A,12 'put':3A 'songwriter':10 'to':2A 'unsorted':15 'voicst':5B
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1642256597.391613  (2022-01-15 15:23:17)
                             'size'  2535256