======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '231'
                                          'artist'  'avril lavigne'
                                     'text_people'  ''
                                         'release'  'Top 40'
                                           'title'  'losing grip-wk29-woei'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['female vocalists', 'pop rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '105.368'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Top 40'
'TBPM' (BPM (beats per minute))                     '105.368'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TIT2' (Title/songname/content description)         'losing grip-wk29-woei'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'avril lavigne'
'TXXX:Mp3gain_minmax'                               '046,204'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '19'
'TXXX:lastfmtags'                                   ['female vocalists', 'pop rock', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.365533'

========================== row from database ==========================
                                              'id'  1406260
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Top 40/19-avril_lavigne_-_losing_grip-wk29-woei.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  231
                                           'genre'  rock-pop
                                        'filesize'  5551533
                                           'mtime'  1676053322
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 19 avril_lavigne_ _losing_grip rock pop
                                      'tag_artist'  avril lavigne
                                     'tag_release'  Top 40
                                       'tag_title'  losing grip-wk29-woei
                                             'bpm'  105.368
                                    'search_title'  'grip':2 'gripwk29woei':5 'losing':1 'wk29':3 'woei':4
                                   'search_artist'  'avril':1 'lavigne':2
                                  'search_release'  '40':2 'top':1
                                     'search_rest'  '00poprockelectronic':1 '19':5 'avril':6 'dance':3 'generic':2 'grip':9 'lavigne':7 'losing':8 'pop':11 'rock':10 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':10 '19':14 '40':9C 'avril':6B,15 'dance':12 'generic':11 'grip':2A,18 'gripwk29woei':5A 'lavigne':7B,16 'losing':1A,17 'pop':20 'rock':19 'top':8C 'trapbeat':13 'wk29':3A 'woei':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']
                                      'lastfmtags'  ['female vocalists', 'pop rock', 'pop', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676053321.664157  (2023-02-10 19:22:01)
                             'size'  5551533