======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '377'
                                          'artist'  'Daniel Higgs, Pintoo Khan and Colin Johnco'
                                     'text_people'  ''
                                         'release'  'Classwar Karaoke - 0023 Survey'
                                           'title'  'Part 4'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '109.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Classwar Karaoke - 0023 Survey'
'TBPM' (BPM (beats per minute))                     '109.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TCOP' (Copyright message)                          ('Attribution-NonCommercial-ShareAlike: '
 'http://creativecommons.org/licenses/by-nc-sa/3.0/')
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Part 4'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Daniel Higgs, Pintoo Khan and Colin Johnco'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.30 dB'
'TXXX:replaygain_track_peak'                        '0.418402'

========================== row from database ==========================
                                              'id'  1385726
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Klopenn - va - classwar karaoke [0023 survey]/Daniel_Higgs_Pintoo_Khan_and_Colin_Johnco_-_24_-_Part_4.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  377
                                           'genre'  electronic-unsorted
                                        'filesize'  15138738
                                           'mtime'  1622758944
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Klopenn va classwar karaoke [0023 survey] Daniel_Higgs_Pintoo_Khan_and_Colin_Johnco_ _24_ _Part_4 electronic unsorted
                                      'tag_artist'  Daniel Higgs, Pintoo Khan and Colin Johnco
                                     'tag_release'  Classwar Karaoke - 0023 Survey
                                       'tag_title'  Part 4
                                             'bpm'  109.3
                                    'search_title'  '4':2 'part':1
                                   'search_artist'  'and':6 'colin':7 'daniel':1 'higgs':2,3 'johnco':8 'khan':5 'pintoo':4
                                  'search_release'  'classwar':1 'karaoke':2 'survey':3
                                     'search_rest'  '0023':5,6 '24':16 '4':18 'and':13 'classwar':3 'colin':14 'daniel':9 'electronic':19 'higgs':10 'johnco':15 'karaoke':4 'khan':12 'klopenn':1 'part':17 'pintoo':11 'survey':7,8 'unsorted':20 'va':2
                                    'search_combo'  '0023':18,19 '24':29 '4':2A,31 'and':8B,26 'classwar':11C,16 'colin':9B,27 'daniel':3B,22 'electronic':32 'higgs':4B,5B,23 'johnco':10B,28 'karaoke':12C,17 'khan':7B,25 'klopenn':14 'part':1A,30 'pintoo':6B,24 'survey':13C,20,21 'unsorted':33 'va':15
                                    'tag_tracknum'  24
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622758944.4518635  (2021-06-04 00:22:24)
                             'size'  15138738