======================== unified (from filesystem) ========================
                                         'bitrate'  '255.113'
                                        'duration'  '333'
                                          'artist'  'The Streets'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
                                           'title'  'Weak Become Heroes'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-UNU-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-vocals-3', 'q-mixbeat-2', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['indie', 'hip hop', 'british', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '090'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism'
                                             'bpm'  '130.146'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pitchfork: The Top 500 Tracks of the 2000s'
'TBPM' (BPM (beats per minute))                     '130.146'
'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)         'Weak Become Heroes'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Streets'
'TRCK' (Track number/Position in set)               '090'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'hip hop', 'british', 'rap']
'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'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+15.96 dB'
'TXXX:replaygain_track_peak'                        '0.089087'

========================== row from database ==========================
                                              'id'  1324150
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/090 - The Streets - Weak Become Heroes.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  333
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism
                                        'filesize'  10623369
                                           'mtime'  1620573282
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 090 electronic generic radio unsorted;hip hop rnb rap turntablism
                                      'tag_artist'  The Streets
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  Weak Become Heroes
                                             'bpm'  130.146
                                    'search_title'  'become':2 'heroes':3 'weak':1
                                   'search_artist'  'streets':2 'the':1
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 'electronic':3 'generic':4 'hip':7,9 'hop':10 'radio':5 'rap':12 'rnb':11 'turntablism':13 'unsorted':6,8 'va':2
                                    'search_combo'  '00poprockelectronic':14 '2000s':13C '500':10C 'become':2A 'electronic':16 'generic':17 'heroes':3A 'hip':20,22 'hop':23 'of':12C 'pitchfork':6C,7C 'radio':18 'rap':25 'rnb':24 'streets':5B 'the':4B,8C 'top':9C 'tracks':11C 'turntablism':26 'unsorted':19,21 'va':15 'weak':1A
                                    'tag_tracknum'  90
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'hip hop', 'british', 'rap']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573281.903398  (2021-05-09 17:14:41)
                             'size'  10623369