======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '254'
                                          'artist'  'Benjamin Warren'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'In Search Of Truth'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1', 'Q-PIANO-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '136.276'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '136.276'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'In Search Of Truth'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Benjamin Warren'
'TPE2' (Band/orchestra/accompaniment)               'Benjamin Warren'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.61 dB'
'TXXX:replaygain_track_peak'                        '0.214398'

========================== row from database ==========================
                                              'id'  1301979
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Benjamin Warren - In Search Of Truth [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  254
                                           'genre'  
                                        'filesize'  6109197
                                           'mtime'  1652397944
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] []
                                      'tag_artist'  Benjamin Warren
                                     'tag_release'  None
                                       'tag_title'  In Search Of Truth
                                             'bpm'  136.276
                                    'search_title'  'in':1 'of':3 'search':2 'truth':4
                                   'search_artist'  'benjamin':1 'warren':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'benjamin':5B 'files':11,12 'in':1A 'loose':9,10 'of':3A 'search':2A 'truth':4A 'unsorted':8 'warren':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1', 'Q-PIANO-3']
                                      'lastfmtags'  []
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397943.844191  (2022-05-13 01:25:43)
                             'size'  6109197