======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '231'
                                          'artist'  'Clawfinger'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Get It (Bonus Track)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial metal', 'industrial', 'rapcore', 'metal', 'crossover', 'nu "
 "metal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-metal-black;eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '113.073'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '113.073'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-black', 'eid-ebm or industrial or darkwave-industrial']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Get It (Bonus Track)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Clawfinger'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['industrial metal', 'industrial', 'rapcore', 'metal', 'crossover', 'nu metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.486985'

========================== row from database ==========================
                                              'id'  1308331
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clawfinger/1993 - Deaf Dumb Blind/11. Get It (Bonus Track).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  231
                                           'genre'  eid-metal-black;eid-ebm or industrial or darkwave-industrial
                                        'filesize'  3708596
                                           'mtime'  1620298501
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1993 Deaf Dumb Blind 11. eid metal black;eid ebm or industrial or darkwave industrial
                                      'tag_artist'  Clawfinger
                                     'tag_release'  None
                                       'tag_title'  Get It (Bonus Track)
                                             'bpm'  113.073
                                    'search_title'  'bonus':3,4 'get':1 'it':2 'track':5,6
                                   'search_artist'  'clawfinger':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '11':6,7 '1993':2 'black':10,12 'blind':5 'darkwave':17 'deaf':3 'dumb':4 'ebm':14 'eid':8,11,13 'industrial':16 'metal':9 'or':15
                                    'search_combo'  '00poprockelectronic':8 '11':13,14 '1993':9 'black':17,19 'blind':12 'bonus':3A,4A 'clawfinger':7B 'darkwave':24 'deaf':10 'dumb':11 'ebm':21 'eid':15,18,20 'get':1A 'industrial':23 'it':2A 'metal':16 'or':22 'track':5A,6A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['industrial metal', 'industrial', 'rapcore', 'metal', 'crossover', 'nu metal']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620298500.67358  (2021-05-06 12:55:00)
                             'size'  3708596