======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '118'
                                          'artist'  'jinsang'
                                     'text_people'  ''
                                         'release'  'solitude.'
                                           'title'  'regret'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['instrumental', 'beats', 'lo fi', 'instrumental hip hop', 'hip hop']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  '26'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop'
                                             'bpm'  '85'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'solitude.'
'TBPM' (BPM (beats per minute))                     '85'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism-chillhop'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016-01-16'
'TIT2' (Title/songname/content description)         'regret'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '118940'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'jinsang'
'TPE2' (Band/orchestra/accompaniment)               'jinsang'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '22/26'
'TSO2'                                              'jinsang'
'TSOP' (Performer sort order)                       'jinsang'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.99.5 (http://lame.sf.net)'
'TXXX:Artists'                                      'jinsang'
'TXXX:MusicBrainz Album Artist Id'                  '26772b25-dde6-4112-aca6-01b31482f441'
'TXXX:MusicBrainz Album Id'                         'b6a58957-7c00-4942-9828-a8ba611a32f9'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '26772b25-dde6-4112-aca6-01b31482f441'
'TXXX:MusicBrainz Release Group Id'                 'd1b5e2e6-3206-4ef5-b2bf-5f0df41f79a4'
'TXXX:MusicBrainz Release Track Id'                 '5b1e958f-140b-4716-a1db-93aee4b743cd'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['instrumental', 'beats', 'lo fi', 'instrumental hip hop', 'hip hop']
'TXXX:originalyear'                                 '2016'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.419468'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9532cf7e-37d9-4dfa-bd3c-53c3afac5e73')

========================== row from database ==========================
                                              'id'  1243356
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Flughand - Chillhop/Jinsang - Regret.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  118
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop
                                        'filesize'  4802093
                                           'mtime'  1620587171
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Flughand Chillhop Jinsang Regret hip hop or rnb or rap or turntablism chillhop
                                      'tag_artist'  jinsang
                                     'tag_release'  solitude.
                                       'tag_title'  regret
                                             'bpm'  85.0
                                    'search_title'  'regret':1
                                   'search_artist'  'jinsang':1
                                  'search_release'  'solitude':1,2
                                     'search_rest'  'chillhop':6 'flughand':5 'hip':9 'hiphop':1 'hop':10 'jinsang':7 'or':11 'rap':2 'regret':8 'rnb':3 'turntablism':4
                                    'search_combo'  'chillhop':10 'flughand':9 'hip':13 'hiphop':5 'hop':14 'jinsang':2B,11 'or':15 'rap':6 'regret':1A,12 'rnb':7 'solitude':3C,4C 'turntablism':8
                                    'tag_tracknum'  22
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'beats', 'lo fi', 'instrumental hip hop', 'hip hop']
                                        'tag_date'  2016
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620587170.9456925  (2021-05-09 21:06:10)
                             'size'  4802093