======================== unified (from filesystem) ========================
                                         'bitrate'  '169.707'
                                        'duration'  '178'
                                          'artist'  'The Roots'
                                     'text_people'  ''
                                         'release'  'The Tipping Point'
                                           'title'  'Boom!'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative rap', 'hip hop', 'rap', 'soul']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '121.264'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'ESCAPE'
'COMM:ID3v1 Comment:XXX'                            'ESCAPE'
'TALB' (Album/Movie/Show title)                     'The Tipping Point'
'TBPM' (BPM (beats per minute))                     '121.264'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Boom!'
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'The Roots'
'TRCK' (Track number/Position in set)               '7'
'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'                                       '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.330962'

========================== row from database ==========================
                                              'id'  1259974
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Roots/The Tipping Point/07-the_roots-boom-esc.mp3
                                         'working'  None
                                         'bitrate'  169
                                    'duration_sec'  178
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3784343
                                           'mtime'  1620592547
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 07 the_roots boom esc hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Roots
                                     'tag_release'  The Tipping Point
                                       'tag_title'  Boom!
                                             'bpm'  121.264
                                    'search_title'  'boom':1
                                   'search_artist'  'roots':2 'the':1
                                  'search_release'  'point':3 'the':1 'tipping':2
                                     'search_rest'  'boom':7 'esc':8 'hip':9 'hiphop':1 'hop':10 'or':11 'rap':2 'rnb':3 'roots':6 'the':5 'turntablism':4
                                    'search_combo'  'boom':1A,13 'esc':14 'hip':15 'hiphop':7 'hop':16 'or':17 'point':6C 'rap':8 'rnb':9 'roots':3B,12 'the':2B,4C,11 'tipping':5C 'turntablism':10
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', '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-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative rap', 'hip hop', 'rap', 'soul']
                                        'tag_date'  2004
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620592547.206377  (2021-05-09 22:35:47)
                             'size'  3784343