======================== unified (from filesystem) ========================
                                         'bitrate'  '208.296'
                                        'duration'  '283'
                                          'artist'  'The Streets'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
                                           'title'  'Blinded by the Lights'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-1', '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'  "['indie', 'hip hop', 'british', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '394'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism'
                                             'bpm'  '132.878'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pitchfork: The Top 500 Tracks of the 2000s'
'TBPM' (BPM (beats per minute))                     '132.878'
'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)         'Blinded by the Lights'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Streets'
'TRCK' (Track number/Position in set)               '394'
'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:lastfmtags'                                   ['indie', 'hip hop', 'british', 'rap']
'TXXX:q-bass'                                       '1'
'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'                        '+19.03 dB'
'TXXX:replaygain_track_peak'                        '0.053535'

========================== row from database ==========================
                                              'id'  1310878
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/394 - The Streets - Blinded by the Lights.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  283
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism
                                        'filesize'  7386130
                                           'mtime'  1620573300
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 394 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'  Blinded by the Lights
                                             'bpm'  132.878
                                    'search_title'  'blinded':1 'by':2 'lights':4 'the':3
                                   '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 '394':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':15 '2000s':14C '394':17 '500':11C 'blinded':1A 'by':2A 'electronic':18 'generic':19 'hip':22,24 'hop':25 'lights':4A 'of':13C 'pitchfork':7C,8C 'radio':20 'rap':27 'rnb':26 'streets':6B 'the':3A,5B,9C 'top':10C 'tracks':12C 'turntablism':28 'unsorted':21,23 'va':16
                                    'tag_tracknum'  394
                                      'num_images'  0
                                             'key'  8A
                                           '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-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'hip hop', 'british', 'rap']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573300.1020567  (2021-05-09 17:15:00)
                             'size'  7386130