======================== unified (from filesystem) ========================
                                         'bitrate'  '171.992'
                                        'duration'  '315'
                                          'artist'  'The Roots'
                                     'text_people'  ''
                                         'release'  'The Tipping Point'
                                           'title'  'Guns Are Drawn'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative rap', 'hip hop', 'rap', 'soul']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '97.225'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'ESCAPE'
'COMM:ID3v1 Comment:XXX'                            'ESCAPE'
'PRIV:AverageLevel:X\x1e\x00\x00'                   PRIV(owner='AverageLevel', data=b'X\x1e\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Tipping Point'
'TBPM' (BPM (beats per minute))                     '97.225'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Guns Are Drawn'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'The Roots'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['alternative rap', 'hip hop', 'rap', 'soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.63 dB'
'TXXX:replaygain_track_peak'                        '0.345862'

========================== row from database ==========================
                                              'id'  1278993
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Roots/The Tipping Point/04-the_roots-guns_are_drawn-esc.mp3
                                         'working'  None
                                         'bitrate'  172
                                    'duration_sec'  315
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6794912
                                           'mtime'  1620592547
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 04 the_roots guns_are_drawn esc hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Roots
                                     'tag_release'  The Tipping Point
                                       'tag_title'  Guns Are Drawn
                                             'bpm'  97.225
                                    'search_title'  'are':2 'drawn':3 'guns':1
                                   'search_artist'  'roots':2 'the':1
                                  'search_release'  'point':3 'the':1 'tipping':2
                                     'search_rest'  'are':8 'drawn':9 'esc':10 'guns':7 'hip':11 'hiphop':1 'hop':12 'or':13 'rap':2 'rnb':3 'roots':6 'the':5 'turntablism':4
                                    'search_combo'  'are':2A,16 'drawn':3A,17 'esc':18 'guns':1A,15 'hip':19 'hiphop':9 'hop':20 'or':21 'point':8C 'rap':10 'rnb':11 'roots':5B,14 'the':4B,6C,13 'tipping':7C 'turntablism':12
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rap', 'hip hop', 'rap', 'soul']
                                        'tag_date'  2004
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620592547.143489  (2021-05-09 22:35:47)
                             'size'  6794912