======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '306'
                                          'artist'  'Tommy Guerrero'
                                     'text_people'  ''
                                         'release'  'AnotherLateNight: Tommy Guerrero'
                                           'title'  "Is It Because I'm Black"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['downtempo', 'chillout', 'instrumental', 'fip', 'electronic', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '17'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '134.4'
                                             'key'  '1A'
                                        'acoustid'  'e7223c65-3d29-4016-83b2-79cbd9f47a73'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Tumen Collection'
'TALB' (Album/Movie/Show title)                     'AnotherLateNight: Tommy Guerrero'
'TBPM' (BPM (beats per minute))                     '134.4'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-09-23'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['DJ-mix', 'Tommy Guerrero']])
'TIT2' (Title/songname/content description)         "Is It Because I'm Black"
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Syl Johnson'
'TPE2' (Band/orchestra/accompaniment)               'Tommy Guerrero'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Azuli Records'
'TRCK' (Track number/Position in set)               '13/17'
'TSO2'                                              'Guerrero, Tommy'
'TSOP' (Performer sort order)                       'Johnson, Syl'
'TSRC' (ISRC (international standard recording code))  'ALNCD06'
'TXXX:ASIN'                                         'B00006FN0I'
'TXXX:Acoustid Id'                                  'e7223c65-3d29-4016-83b2-79cbd9f47a73'
'TXXX:Artists'                                      'Syl Johnson'
'TXXX:BARCODE'                                      '5020196130065'
'TXXX:CATALOGNUMBER'                                'ALNCD06'
'TXXX:DISCID'                                       'e511d8117e'
'TXXX:ENCODER'                                      'FLAC 1.1.4: Q=8'
'TXXX:MusicBrainz Album Artist Id'                  '67fb65b5-6589-47f0-9371-8a40eb268dfb'
'TXXX:MusicBrainz Album Id'                         'e3256855-86c9-491b-bb4a-97d5ffbcc192'
'TXXX:MusicBrainz Album Release Country'            'GB'
'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'                 '588f7173-1702-391c-9c04-92d3bdab5f1b'
'TXXX:MusicBrainz Release Track Id'                 '7b3e7820-e175-35bc-91a5-9aefba0b5c3f'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:REPLAYGAIN_REFERENCE_LOUDNESS'                '89.0 dB'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:VA'                                           '1'
'TXXX:lastfmtags'                                   ['downtempo', 'chillout', 'instrumental', 'fip', 'electronic', 'indie rock']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+18.54 dB'
'TXXX:replaygain_track_peak'                        '0.042219'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a3a1b86b-3a7d-4982-855d-d1c522a94406')

========================== row from database ==========================
                                              'id'  1498461
                                            'path'  /data/Music/Bulk/00poprockelectronic/[ALNCD06] Tommy Guerrero (2002)/13. Syl Johnson - Is It Because I_m Black.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  306
                                           'genre'  funk or soul
                                        'filesize'  12318285
                                           'mtime'  1628357723
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [ALNCD06] (2002) 13. Syl Johnson I_m funk or soul
                                      'tag_artist'  Tommy Guerrero
                                     'tag_release'  AnotherLateNight: Tommy Guerrero
                                       'tag_title'  Is It Because I'm Black
                                             'bpm'  134.4
                                    'search_title'  'because':3 'black':7 'i':4 'im':6 'is':1 'it':2 'm':5
                                   'search_artist'  'guerrero':2 'tommy':1
                                  'search_release'  'another':5 'anotherlatenight':1,2 'guerrero':4 'late':6 'night':7,8 'tommy':3
                                     'search_rest'  '00poprockelectronic':1 '13':6,7 '2002':4,5 'alncd06':2,3 'funk':12 'i':10 'johnson':9 'm':11 'or':13 'soul':14 'syl':8
                                    'search_combo'  '00poprockelectronic':18 '13':23,24 '2002':21,22 'alncd06':19,20 'another':14C 'anotherlatenight':10C,11C 'because':3A 'black':7A 'funk':29 'guerrero':9B,13C 'i':4A,27 'im':6A 'is':1A 'it':2A 'johnson':26 'late':15C 'm':5A,28 'night':16C,17C 'or':30 'soul':31 'syl':25 'tommy':8B,12C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-3', 'q-drums-3', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['downtempo', 'chillout', 'instrumental', 'fip', 'electronic', 'indie rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357723.413764  (2021-08-07 19:35:23)
                             'size'  12318285