======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '207'
                                          'artist'  'Fatboy Slim'
                                     'text_people'  ''
                                         'release'  'Moulin Rouge!'
                                           'title'  'Because We Can'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '16'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '140'
                                             'key'  '4A'
                                        'acoustid'  '9e6c082f-754e-4c03-8867-5aed11edee64'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Moulin Rouge!'
'TBPM' (BPM (beats per minute))                     '140'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-05-14'
'TIT2' (Title/songname/content description)         'Because We Can'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Fatboy Slim'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Festival Records'
'TRCK' (Track number/Position in set)               '3/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Fatboy Slim'
'TSRC' (ISRC (international standard recording code))  'USIR10110324/USRI10110324'
'TSSE' (Software/Hardware and settings used for encoding)  'Audio Converter, CBR 256 kbps'
'TXXX:ASIN'                                         'B00006I8UY'
'TXXX:Acoustid Id'                                  '9e6c082f-754e-4c03-8867-5aed11edee64'
'TXXX:Artists'                                      'Fatboy Slim'
'TXXX:BARCODE'                                      '9397603338328'
'TXXX:CATALOGNUMBER'                                '333832'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'b0e3c1ed-d632-4869-8b7b-c5b8fd69942c'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '34c63966-445c-4613-afe1-4f0e1e53ae9a'
'TXXX:MusicBrainz Release Group Id'                 '47a50465-3e12-3bd5-94b6-cfd0f68554bf'
'TXXX:MusicBrainz Release Track Id'                 'd0aed703-9b78-3d68-bdda-69a853340115'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'big beat']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.370602'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0245b0c1-94f2-48e6-b546-dd774a597e2e')

========================== row from database ==========================
                                              'id'  646480
                                            'path'  /data/Music/Bulk/0soundtrack/1 [264kvbr]/03. Fatboy Slim - Because We Can.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  207
                                           'genre'  soundtrack-video
                                        'filesize'  6704906
                                           'mtime'  1621696916
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 1 [264kvbr] 03. soundtrack video
                                      'tag_artist'  Fatboy Slim
                                     'tag_release'  Moulin Rouge!
                                       'tag_title'  Because We Can
                                             'bpm'  140.0
                                    'search_title'  'because':1 'can':3 'we':2
                                   'search_artist'  'fatboy':1 'slim':2
                                  'search_release'  'moulin':1 'rouge':2
                                     'search_rest'  '03':5,6 '0soundtrack':1 '1':2 '264kvbr':3,4 'soundtrack':7 'video':8
                                    'search_combo'  '03':12,13 '0soundtrack':8 '1':9 '264kvbr':10,11 'because':1A 'can':3A 'fatboy':4B 'moulin':6C 'rouge':7C 'slim':5B 'soundtrack':14 'video':15 'we':2A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'big beat']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696915.6428845  (2021-05-22 17:21:55)
                             'size'  6704906