======================== unified (from filesystem) ========================
                                         'bitrate'  '179.27'
                                        'duration'  '171'
                                          'artist'  'Macklemore'
                                     'text_people'  ''
                                         'release'  'The Language Of My World'
                                           'title'  'Bush Song'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-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'  "['underground rap', 'seattle', 'hip hop', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '95.664'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'FTD'
'TALB' (Album/Movie/Show title)                     'The Language Of My World'
'TBPM' (BPM (beats per minute))                     '95.664'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Bush Song'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Macklemore'
'TRCK' (Track number/Position in set)               '9'
'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'                                   ['underground rap', 'seattle', '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'                        '-0.85 dB'
'TXXX:replaygain_track_peak'                        '0.378033'

========================== row from database ==========================
                                              'id'  719365
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Macklemore/09-macklemore-bush_song-ftd.mp3
                                         'working'  None
                                         'bitrate'  179
                                    'duration_sec'  171
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3854497
                                           'mtime'  1620585842
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 09 macklemore bush_song ftd hip hop rnb rap turntablism
                                      'tag_artist'  Macklemore
                                     'tag_release'  The Language Of My World
                                       'tag_title'  Bush Song
                                             'bpm'  95.664
                                    'search_title'  'bush':1 'song':2
                                   'search_artist'  'macklemore':1
                                  'search_release'  'language':2 'my':4 'of':3 'the':1 'world':5
                                     'search_rest'  'bush':6 'ftd':8 'hip':9 'hiphop':1 'hop':10 'macklemore':5 'rap':2 'rnb':3 'song':7 'turntablism':4
                                    'search_combo'  'bush':1A,14 'ftd':16 'hip':17 'hiphop':9 'hop':18 'language':5C 'macklemore':3B,13 'my':7C 'of':6C 'rap':10 'rnb':11 'song':2A,15 'the':4C 'turntablism':12 'world':8C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10B
                                           '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'  ['underground rap', 'seattle', 'hip hop', 'rap']
                                        'tag_date'  2005
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620585842.334226  (2021-05-09 20:44:02)
                             'size'  3854497