======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '285'
                                          'artist'  'Gorillaz'
                                     'text_people'  ''
                                         'release'  'Demon Days'
                                           'title'  'Double Bass'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie/alternative/electronic/hip hop/rock']"
                                     'discogstags'  ("['leftfield', 'trip hop', 'lo-fi', 'pop rap', 'brit pop', 'downtempo', "
 "'electronic', 'hip hop', 'rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '23'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;rock-pop-indie'
                                             'bpm'  '110.302'
                                             'key'  '3A'
                                        'acoustid'  '336b4220-eed7-4541-b020-9396c1b77554'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Demon Days'
'TBPM' (BPM (beats per minute))                     '110.302'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'rock-pop-indie']
'TDOR' (Original release time)                      '2005'
'TIT2' (Title/songname/content description)         'Double Bass'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gorillaz'
'TPE2' (Band/orchestra/accompaniment)               'Gorillaz'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '18/23'
'TSO2'                                              'Gorillaz'
'TSOP' (Performer sort order)                       'Gorillaz'
'TSRC' (ISRC (international standard recording code))  'GBAYE0001455'
'TXXX:Acoustid Id'                                  '336b4220-eed7-4541-b020-9396c1b77554'
'TXXX:Artists'                                      'Gorillaz'
'TXXX:Mp3gain_minmax'                               '073,207'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:MusicBrainz Album Artist Id'                  'e21857d5-3256-4547-afb3-4b6ded592596'
'TXXX:MusicBrainz Album Id'                         'be144352-0bad-4dd6-b4e7-95e5ef43522a'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e21857d5-3256-4547-afb3-4b6ded592596'
'TXXX:MusicBrainz Release Group Id'                 'f959a46a-a136-3134-9412-6572b23fad95'
'TXXX:MusicBrainz Release Track Id'                 '85497aeb-f2d0-3757-99b3-b30108d2a3e5'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['leftfield',
 'trip hop',
 'lo-fi',
 'pop rap',
 'brit pop',
 'downtempo',
 'electronic',
 'hip hop',
 'rock']
'TXXX:lastfmtags'                                   'indie/alternative/electronic/hip hop/rock'
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.53 dB'
'TXXX:replaygain_track_peak'                        '0.622142'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'360303db-b814-4c0b-b29c-e267208a2a78')

========================== row from database ==========================
                                              'id'  1355370
                                            'path'  /data/Music/Bulk/00poprockelectronic/Gorillaz/Demon Days (Special Edition)/18 Gorillaz - Double Bass.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  285
                                           'genre'  hip hop or rnb or rap or turntablism;rock-pop-indie
                                        'filesize'  6904824
                                           'mtime'  1620736879
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (Special Edition) 18 hip hop rnb rap turntablism;rock pop indie
                                      'tag_artist'  Gorillaz
                                     'tag_release'  Demon Days
                                       'tag_title'  Double Bass
                                             'bpm'  110.302
                                    'search_title'  'bass':2 'double':1
                                   'search_artist'  'gorillaz':1
                                  'search_release'  'days':2 'demon':1
                                     'search_rest'  '00poprockelectronic':1 '18':6 'edition':4,5 'hip':7 'hop':8 'indie':16 'pop':15 'rap':10 'rnb':9 'rock':12,14 'special':2,3 'turntablism':11,13
                                    'search_combo'  '00poprockelectronic':6 '18':11 'bass':2A 'days':5C 'demon':4C 'double':1A 'edition':9,10 'gorillaz':3B 'hip':12 'hop':13 'indie':21 'pop':20 'rap':15 'rnb':14 'rock':17,19 'special':7,8 'turntablism':16,18
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie/alternative/electronic/hip hop/rock']
                                        'tag_date'  2005
                                     'discogstags'  ['leftfield', 'trip hop', 'lo-fi', 'pop rap', 'brit pop', 'downtempo', 'electronic', 'hip hop', 'rock']

============================== file details ==============================
                                           'mtime'  1620736878.8966208  (2021-05-11 14:41:18)
                             'size'  6904824