======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '214'
                                          'artist'  'Leonard Cohen'
                                     'text_people'  ''
                                         'release'  'The Essential Leonard Cohen (d'
                                           'title'  'Sisters of Mercy'
                                           '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-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'canadian', 'rock', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '91.888'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Love; Romantic; Chillout'
'TALB' (Album/Movie/Show title)                     'The Essential Leonard Cohen (d'
'TBPM' (BPM (beats per minute))                     '91.888'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Sisters of Mercy'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Leonard Cohen'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['blues', 'canadian', 'rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.604423'

========================== row from database ==========================
                                              'id'  179481
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Leonard Cohen/MBZ;#Leonard Cohen;#The Essential Leonard Cohen (Disc 1);#03;#Sisters Of Mercy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  214
                                           'genre'  ifs-songwriter
                                        'filesize'  5139307
                                           'mtime'  1636136218
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#Leonard Cohen;#The (Disc 1);#03;#Sisters Of ifs songwriter
                                      'tag_artist'  Leonard Cohen
                                     'tag_release'  The Essential Leonard Cohen (d
                                       'tag_title'  Sisters of Mercy
                                             'bpm'  91.888
                                    'search_title'  'mercy':3 'of':2 'sisters':1
                                   'search_artist'  'cohen':2 'leonard':1
                                  'search_release'  'cohen':4 'd':5,6 'essential':2 'leonard':3 'the':1
                                     'search_rest'  '00singer':1 '03':15,18 '1':14,17 'cohen':8,10 'disc':12,13 'eos':3 'ifs':21 'leonard':5,7 'mbz':4,6 'of':20 'sisters':16,19 'songwriter':2 'the':9,11
                                    'search_combo'  '00singer':12 '03':26,29 '1':25,28 'cohen':5B,9C,19,21 'd':10C,11C 'disc':23,24 'eos':14 'essential':7C 'ifs':32 'leonard':4B,8C,16,18 'mbz':15,17 'mercy':3A 'of':2A,31 'sisters':1A,27,30 'songwriter':13 'the':6C,20,22
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1B
                                           '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-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'canadian', 'rock', 'folk', 'singer songwriter']
                                        'tag_date'  1988
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636136218.2538967  (2021-11-05 19:16:58)
                             'size'  5139307