======================== unified (from filesystem) ========================
                                         'bitrate'  '155.874'
                                        'duration'  '144'
                                          'artist'  'The Herbaliser'
                                     'text_people'  ''
                                         'release'  'Remedies'
                                           'title'  'Intro'
                                           '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-1', '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'  '01'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '98.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'Remedies'
'TBPM' (BPM (beats per minute))                     '98.0'
'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)         'Intro'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Herbaliser'
'TPE2' (Band/orchestra/accompaniment)               'The Herbaliser'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '01'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.685819'
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========================== row from database ==========================
                                              'id'  1245190
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The Herbaliser - Remedies/01 Intro.mp3
                                         'working'  None
                                         'bitrate'  155
                                    'duration_sec'  144
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  2829271
                                           'mtime'  1620592535
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 01 hip hop or rnb or rap or turntablism
                                      'tag_artist'  The Herbaliser
                                     'tag_release'  Remedies
                                       'tag_title'  Intro
                                             'bpm'  98.0
                                    'search_title'  'intro':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':3B 'hip':9 'hiphop':5 'hop':10 'intro':1A 'or':11 'rap':6 'remedies':4C 'rnb':7 'the':2B 'turntablism':8
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           '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-1', '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'  1620592535.0932877  (2021-05-09 22:35:35)
                             'size'  2829271