======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '400'
                                          'artist'  'The Police'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'SOS (White Label Remix)'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'classic rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '125.704'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '125.704'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'SOS (White Label Remix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Police'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'classic rock', 'pop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.08 dB'
'TXXX:replaygain_track_peak'                        '0.608690'
'USLT:Converted from Lyrics3 v2.00:XXX'             ' '

========================== row from database ==========================
                                              'id'  1315233
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/cifs2c3c.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  400
                                           'genre'  rock-pop
                                        'filesize'  9611136
                                           'mtime'  1620392388
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] cifs2c3c rock pop
                                      'tag_artist'  The Police
                                     'tag_release'  None
                                       'tag_title'  SOS (White Label Remix)
                                             'bpm'  125.704
                                    'search_title'  'label':4 'remix':5,6 'sos':1 'white':2,3
                                   'search_artist'  'police':2 'the':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'cifs2c3c':7 'files':5,6 'loose':3,4 'pop':9 'rock':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'cifs2c3c':15 'files':13,14 'label':4A 'loose':11,12 'police':8B 'pop':17 'remix':5A,6A 'rock':16 'sos':1A 'the':7B 'unsorted':10 'white':2A,3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'classic rock', 'pop', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392387.794224  (2021-05-07 14:59:47)
                             'size'  9611136