======================== unified (from filesystem) ========================
                                         'bitrate'  '165.989'
                                        'duration'  '273'
                                          'artist'  'Abba'
                                     'text_people'  ''
                                         'release'  'The album'
                                           'title'  'One man, one woman'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['swedish', '70s', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '141.7'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '82096D09+181162+9+182+26270+44622+65095+87020+108272+125195+142450+162910'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '3'
'TALB' (Album/Movie/Show title)                     'The album'
'TBPM' (BPM (beats per minute))                     '141.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1977'
'TENC' (Encoded by)                                 'iTunes X v2.0.4'
'TIT2' (Title/songname/content description)         'One man, one woman'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Abba'
'TRCK' (Track number/Position in set)               '3/9'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swedish', '70s', 'pop', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.75 dB'
'TXXX:replaygain_track_peak'                        '0.587857'

========================== row from database ==========================
                                              'id'  1525698
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/ABBA/The album/Abba - One Man, One Woman - 03.mp3
                                         'working'  None
                                         'bitrate'  165
                                    'duration_sec'  273
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  5667607
                                           'mtime'  1620537418
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s ABBA Man, Woman 03 electronic we disco or italo
                                      'tag_artist'  Abba
                                     'tag_release'  The album
                                       'tag_title'  One man, one woman
                                             'bpm'  141.7
                                    'search_title'  'man':2,3 'one':1 'woman':4
                                   'search_artist'  'abba':1
                                  'search_release'  'album':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'abba':7 'disco':2 'electronic':11 'italo':14 'man':8,9 'or':13 's':4,6 'we':12 'woman':10
                                    'search_combo'  '00poprockelectronic':8 '70':10 '80':12 'abba':5B,14 'album':7C 'disco':9 'electronic':18 'italo':21 'man':2A,3A,15,16 'one':1A 'or':20 's':11,13 'the':6C 'we':19 'woman':4A,17
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['swedish', '70s', 'pop', 'disco']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537417.9076293  (2021-05-09 07:16:57)
                             'size'  5667607