======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '295'
                                          'artist'  'Austra'
                                     'text_people'  ''
                                         'release'  'Trial and Error'
                                           'title'  'Beat and the pulse'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['electronic', 'female vocalists', 'synthpop', 'experimental', 'canadian']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '99.960'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Trial and Error'
'TBPM' (BPM (beats per minute))                     '99.960'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Beat and the pulse'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Austra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '0'
'TPUB' (Publisher)                                  'Domino Recording Co'
'TRCK' (Track number/Position in set)               '10/11'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'female vocalists', 'synthpop', 'experimental', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.534817'

========================== row from database ==========================
                                              'id'  1391344
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/And One - 038 Trial and error/10. Austra - Beat and the pulse.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  295
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  11914710
                                           'mtime'  1620296545
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth And One 038 error 10. eid ebm industrial darkwave futurepop
                                      'tag_artist'  Austra
                                     'tag_release'  Trial and Error
                                       'tag_title'  Beat and the pulse
                                             'bpm'  99.96
                                    'search_title'  'and':2 'beat':1 'pulse':4 'the':3
                                   'search_artist'  'austra':1
                                  'search_release'  'and':2 'error':3 'trial':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 '10':9,10 'and':6 'darkwave':4 'ebm':12 'eid':11 'error':8 'futurepop':13 'goth':5 'industrial':3 'one':7
                                    'search_combo'  '00dwimp':9 '00ebm':10 '10':17,18 'and':2A,7C,14 'austra':5B 'beat':1A 'darkwave':12 'ebm':20 'eid':19 'error':8C,16 'futurepop':21 'goth':13 'industrial':11 'one':15 'pulse':4A 'the':3A 'trial':6C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'female vocalists', 'synthpop', 'experimental', 'canadian']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620296544.5402098  (2021-05-06 12:22:24)
                             'size'  11914710