======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'MC Frontalot'
                                     'text_people'  ''
                                         'release'  'Nerdcore Rising'
                                           'title'  'Indier Than Thou'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['nerdcore', 'nerdcore hip hop', 'hip hop', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '94.768'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Nerdcore Rising'
'TBPM' (BPM (beats per minute))                     '94.768'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Indier Than Thou'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'MC Frontalot'
'TRCK' (Track number/Position in set)               '16'
'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'                                   ['nerdcore', 'nerdcore hip hop', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.384952'

========================== row from database ==========================
                                              'id'  720030
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Mc Frontalot/Nerdcore Rising (2005)/16 Indier Than Thou.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6284808
                                           'mtime'  1620586033
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Mc (2005) 16 hip hop rnb rap turntablism
                                      'tag_artist'  MC Frontalot
                                     'tag_release'  Nerdcore Rising
                                       'tag_title'  Indier Than Thou
                                             'bpm'  94.768
                                    'search_title'  'indier':1 'than':2 'thou':3
                                   'search_artist'  'frontalot':2 'mc':1
                                  'search_release'  'nerdcore':1 'rising':2
                                     'search_rest'  '2005':6,7 'hip':8 'hiphop':1 'hop':9 'mc':5 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2005':13,14 'frontalot':5B 'hip':15 'hiphop':8 'hop':16 'indier':1A 'mc':4B,12 'nerdcore':6C 'rap':9 'rising':7C 'rnb':10 'than':2A 'thou':3A 'turntablism':11
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['nerdcore', 'nerdcore hip hop', 'hip hop', 'rap']
                                        'tag_date'  2005
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620586033.1516035  (2021-05-09 20:47:13)
                             'size'  6284808