======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '458'
                                          'artist'  'Syl Johnson'
                                     'text_people'  ''
                                         'release'  "Funkin' on the 1"
                                           'title'  "It Is Because I'm Black"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '18'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '135.6'
                                             'key'  '1A'
                                        'acoustid'  'cd3de0bc-7042-4c12-aacc-7718e35b5184'
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=0)
'POPM:traktor@native-instruments.de'                POPM(email='traktor@native-instruments.de', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     "Funkin' on the 1"
'TBPM' (BPM (beats per minute))                     '135.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "It Is Because I'm Black"
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Syl Johnson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4/5'
'TPUB' (Publisher)                                  'Disky'
'TRCK' (Track number/Position in set)               '15/18'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Johnson, Syl'
'TXXX:ASIN'                                         'B000050GHJ'
'TXXX:Acoustid Id'                                  'cd3de0bc-7042-4c12-aacc-7718e35b5184'
'TXXX:Artists'                                      'Syl Johnson'
'TXXX:BARCODE'                                      '0724389921922'
'TXXX:CATALOGNUMBER'                                'BX 992202/BX 992212/BX 992222/BX 992232/BX 992242/DB 992192'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '27c3ac59-591e-33a1-a9ce-ebaac4975a1a'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '2e8cbd3d-44c0-4725-89e0-7db8010aa832'
'TXXX:MusicBrainz Release Group Id'                 '7a829bcd-2492-3b5e-a191-e8fab8dfb5bf'
'TXXX:MusicBrainz Release Track Id'                 '329aa29f-613d-3528-a23e-3c42d2f3ec69'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:fBPM'                                         '0.000000'
'TXXX:fBPMQuality'                                  '0.000000'
'TXXX:lastfmtags'                                   ['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']
'TXXX:originalyear'                                 '2000'
'TXXX:other'                                        '69'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.34 dB'
'TXXX:replaygain_track_peak'                        '0.369863'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e6c0373e-91e5-4625-a99f-d1b6da67fd4e')

========================== row from database ==========================
                                              'id'  1523317
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/funkin_ on the one/69 Syl Johnson - 69 It is because I_m black.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  458
                                           'genre'  funk or soul
                                        'filesize'  7346833
                                           'mtime'  1628357684
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul funkin_ one 69 69 is because I_m black funk or soul
                                      'tag_artist'  Syl Johnson
                                     'tag_release'  Funkin' on the 1
                                       'tag_title'  It Is Because I'm Black
                                             'bpm'  135.6
                                    'search_title'  'because':3 'black':7 'i':4 'im':6 'is':2 'it':1 'm':5
                                   'search_artist'  'johnson':2 'syl':1
                                  'search_release'  '1':5 'funkin':1,2 'on':3 'the':4
                                     'search_rest'  '69':6 'because':8 'black':11 'funk':2 'funkin':4 'i':9 'is':7 'm':10 'one':5 'or':12 'soul':3 'swing':1
                                    'search_combo'  '1':14C '69':20 'because':3A,22 'black':7A,25 'funk':16 'funkin':10C,11C,18 'i':4A,23 'im':6A 'is':2A,21 'it':1A 'johnson':9B 'm':5A,24 'on':12C 'one':19 'or':26 'soul':17 'swing':15 'syl':8B 'the':13C
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357684.2325857  (2021-08-07 19:34:44)
                             'size'  7346833