======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '235'
                                          'artist'  'Ill Nino'
                                     'text_people'  'Max Cavalera'
                                         'release'  'Revolution Revolución [Bonus Tracks]'
                                           'title'  'Eye for an Eye [Live][*]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['nu metal', 'metalcore', 'metal', 'nu-metal', 'alternative metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '101.2'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Revolution Revolución [Bonus Tracks]'
'TBPM' (BPM (beats per minute))                     '101.2'
'TCOM' (Composer)                                   'Max Cavalera'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Eye for an Eye [Live][*]'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ill Niño'
'TPE2' (Band/orchestra/accompaniment)               'Ill Nino'
'TPUB' (Publisher)                                  'Roadrunner'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['nu metal', 'metalcore', 'metal', 'nu-metal', 'alternative metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.353887'

========================== row from database ==========================
                                              'id'  1392169
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Ill Niño/Revolution Revolución [Bonus Tracks]/Ill Nino-Eye For An Eye (Live).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  235
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5652377
                                           'mtime'  1620584580
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Niño For An (Live) hip hop rnb rap turntablism
                                      'tag_artist'  Ill Nino
                                     'tag_release'  Revolution Revolución [Bonus Tracks]
                                       'tag_title'  Eye for an Eye [Live][*]
                                             'bpm'  101.2
                                    'search_title'  'an':3 'eye':1 'for':2 'live':4,5
                                   'search_artist'  'ill':1 'nino':2
                                  'search_release'  'bonus':4,5 'revolucion':2,3 'revolution':1 'tracks':6,7
                                     'search_rest'  'an':8 'for':7 'hip':11 'hiphop':1 'hop':12 'live':9,10 'nino':5,6 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'an':3A,22 'bonus':11C,12C 'eye':1A 'for':2A,21 'hip':25 'hiphop':15 'hop':26 'ill':6B 'live':4A,5A,23,24 'nino':7B,19,20 'rap':16 'revolucion':9C,10C 'revolution':8C 'rnb':17 'tracks':13C,14C 'turntablism':18
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['nu metal', 'metalcore', 'metal', 'nu-metal', 'alternative metal']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620584579.7073793  (2021-05-09 20:22:59)
                             'size'  5652377