======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '245'
                                          'artist'  'Lorn'
                                     'text_people'  ''
                                         'release'  'Debris'
                                           'title'  'Bury Your Brother'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['black metal', 'electronic', 'idm', 'dubstep', 'electro']"
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '4'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '138.9'
                                             'key'  '4A'
                                        'acoustid'  'bd72393d-92e0-4516-b16e-5629f27e64e9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Debris'
'TBPM' (BPM (beats per minute))                     '138.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-09-02'
'TIT2' (Title/songname/content description)         'Bury Your Brother'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Lorn'
'TPE2' (Band/orchestra/accompaniment)               'Lorn'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '3/4'
'TSO2'                                              'Lorn'
'TSOP' (Performer sort order)                       'Lorn'
'TXXX:Acoustid Id'                                  'bd72393d-92e0-4516-b16e-5629f27e64e9'
'TXXX:CATALOGNUMBER'                                'ZEN10362'
'TXXX:LABEL'                                        'Ninja Tune'
'TXXX:MusicBrainz Album Artist Id'                  'ce45313f-00cd-4748-a7f8-a5b64463a5d8'
'TXXX:MusicBrainz Album Id'                         'ef7de548-4b01-479b-afef-94715a795467'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'ce45313f-00cd-4748-a7f8-a5b64463a5d8'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['black metal', 'electronic', 'idm', 'dubstep', 'electro']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.85 dB'
'TXXX:replaygain_track_peak'                        '0.516150'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c9e69a19-5c4c-4e70-bf26-f538fa738e70')

========================== row from database ==========================
                                              'id'  1366862
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Lorn - Debris/1-03 Bury Your Brother.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  245
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  9910527
                                           'mtime'  1620563773
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 1 03 electronic generic radio beats
                                      'tag_artist'  Lorn
                                     'tag_release'  Debris
                                       'tag_title'  Bury Your Brother
                                             'bpm'  138.9
                                    'search_title'  'brother':3 'bury':1 'your':2
                                   'search_artist'  'lorn':1
                                  'search_release'  'debris':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '1':6 'beats':5 'electronic':7 'generic':8 'harder':4 'house':3 'radio':9
                                    'search_combo'  '00poprockelectronic':6 '00techno':7 '1':11 'beats':10 'brother':3A 'bury':1A 'debris':5C 'electronic':12 'generic':13 'harder':9 'house':8 'lorn':4B 'radio':14 'your':2A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['black metal', 'electronic', 'idm', 'dubstep', 'electro']
                                        'tag_date'  2013
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620563772.6774693  (2021-05-09 14:36:12)
                             'size'  9910527