======================== unified (from filesystem) ========================
                                         'bitrate'  '165.644'
                                        'duration'  '438'
                                          'artist'  'The Herbaliser'
                                     'text_people'  ''
                                         'release'  'Remedies'
                                           'title'  'Scratchy Noise'
                                           '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-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trip hop', 'downtempo', 'ninja tune', 'hip hop', 'electronic']"
                                     'discogstags'  "['electronic', 'hip hop', 'downtempo', 'trip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '93.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Remedies'
'TBPM' (BPM (beats per minute))                     '93.7'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'CDex 1.40 Fr'
'TIT2' (Title/songname/content description)         'Scratchy Noise'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Herbaliser'
'TPE2' (Band/orchestra/accompaniment)               'The Herbaliser'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '02'
'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'                                  ['electronic', 'hip hop', 'downtempo', 'trip hop']
'TXXX:lastfmtags'                                   ['trip hop', 'downtempo', 'ninja tune', 'hip hop', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.635326'
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========================== row from database ==========================
                                              'id'  1242362
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Herbaliser - Remedies/02 Scratchy Noise.mp3
                                         'working'  None
                                         'bitrate'  165
                                    'duration_sec'  438
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  9085912
                                           'mtime'  1620592535
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 02 hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Herbaliser
                                     'tag_release'  Remedies
                                       'tag_title'  Scratchy Noise
                                             'bpm'  93.7
                                    'search_title'  'noise':2 'scratchy':1
                                   'search_artist'  'herbaliser':2 'the':1
                                  'search_release'  'remedies':1
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'herbaliser':4B 'hip':10 'hiphop':6 'hop':11 'noise':2A 'or':12 'rap':7 'remedies':5C 'rnb':8 'scratchy':1A 'the':3B 'turntablism':9
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trip hop', 'downtempo', 'ninja tune', 'hip hop', 'electronic']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'hip hop', 'downtempo', 'trip hop']

============================== file details ==============================
                                           'mtime'  1620592535.1064894  (2021-05-09 22:35:35)
                             'size'  9085912