======================== unified (from filesystem) ========================
                                         'bitrate'  '247.727'
                                        'duration'  '148'
                                          'artist'  'Viktor Vaughn'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
                                           'title'  'Saliva'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rap', 'hip hop', 'underground hip hop', 'mf doom']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '491'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism'
                                             'bpm'  '91.846'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pitchfork: The Top 500 Tracks of the 2000s'
'TBPM' (BPM (beats per minute))                     '91.846'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'hip hop or rnb or rap or turntablism']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Saliva'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Viktor Vaughn'
'TRCK' (Track number/Position in set)               '491'
'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'                                   ['rap', 'hip hop', 'underground hip hop', 'mf doom']
'TXXX:q-bass'                                       '4'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+15.88 dB'
'TXXX:replaygain_track_peak'                        '0.074009'

========================== row from database ==========================
                                              'id'  1351505
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/491 - Viktor Vaughn - Saliva.mp3
                                         'working'  None
                                         'bitrate'  247
                                    'duration_sec'  148
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism
                                        'filesize'  4612361
                                           'mtime'  1620573318
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 491 electronic generic radio unsorted;hip hop rnb rap turntablism
                                      'tag_artist'  Viktor Vaughn
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  Saliva
                                             'bpm'  91.846
                                    'search_title'  'saliva':1
                                   'search_artist'  'vaughn':2 'viktor':1
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 '491':3 'electronic':4 'generic':5 'hip':8,10 'hop':11 'radio':6 'rap':13 'rnb':12 'turntablism':14 'unsorted':7,9 'va':2
                                    'search_combo'  '00poprockelectronic':12 '2000s':11C '491':14 '500':8C 'electronic':15 'generic':16 'hip':19,21 'hop':22 'of':10C 'pitchfork':4C,5C 'radio':17 'rap':24 'rnb':23 'saliva':1A 'the':6C 'top':7C 'tracks':9C 'turntablism':25 'unsorted':18,20 'va':13 'vaughn':3B 'viktor':2B
                                    'tag_tracknum'  491
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rap', 'hip hop', 'underground hip hop', 'mf doom']
                                        'tag_date'  2005
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620573317.8424156  (2021-05-09 17:15:17)
                             'size'  4612361