======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '276'
                                          'artist'  'Jennifer Lopez'
                                     'text_people'  ''
                                         'release'  'Knuffelrock Special Edition: Soul / R&B'
                                           'title'  'Talk About Us'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'rnb', 'latin', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '17'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '81'
                                             'key'  '3B'
                                        'acoustid'  '3d2ea336-6f71-4166-91c7-ab7cf74174d8'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Knuffelrock Special Edition: Soul / R&B'
'TBPM' (BPM (beats per minute))                     '81'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Talk About Us'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Jennifer Lopez'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sony Music'
'TRCK' (Track number/Position in set)               '16/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Lopez, Jennifer'
'TSRC' (ISRC (international standard recording code))  'USSM19900602'
'TXXX:Acoustid Id'                                  '3d2ea336-6f71-4166-91c7-ab7cf74174d8'
'TXXX:Artists'                                      'Jennifer Lopez'
'TXXX:BARCODE'                                      '5099750235829'
'TXXX:CATALOGNUMBER'                                'SMM 502358 2'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '98f5fe64-f6be-4ed5-ac7b-4b7866cdb774'
'TXXX:MusicBrainz Album Release Country'            'BE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'f0602f55-1770-483d-89bd-4bae0d0ac086'
'TXXX:MusicBrainz Release Group Id'                 'af1b5472-ce3f-40ab-b410-e37f87929fea'
'TXXX:MusicBrainz Release Track Id'                 '0bce0100-4cf6-3620-b3a3-1c3c59b42dec'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
'TXXX:originalyear'                                 '2001'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.504417'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5a0b4e2e-5ac2-439e-a286-351988aadb54')

========================== row from database ==========================
                                              'id'  1300611
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/knuffelrock special edition soul r&b/16 - Jennifer Lopez - Talk About Us.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  276
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6711561
                                           'mtime'  1620646418
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock knuffelrock special edition soul r&b 16 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Jennifer Lopez
                                     'tag_release'  Knuffelrock Special Edition: Soul / R&B
                                       'tag_title'  Talk About Us
                                             'bpm'  81.0
                                    'search_title'  'about':2 'talk':1 'us':3
                                   'search_artist'  'jennifer':1 'lopez':2
                                  'search_release'  'b':7 'edition':3,4 'knuffelrock':1 'r':6 'rb':8 'soul':5 'special':2
                                     'search_rest'  '00poprockelectronic':1 'b':9 'edition':6 'hip':11 'hop':12 'indierock':3 'knuffelrock':4 'or':13 'poprock':2 'r':8 'rap':15 'rb':10 'rnb':14 'soul':7 'special':5 'turntablism':16
                                    'search_combo'  '00poprockelectronic':14 'about':2A 'b':12C,22 'edition':8C,9C,19 'hip':24 'hop':25 'indierock':16 'jennifer':4B 'knuffelrock':6C,17 'lopez':5B 'or':26 'poprock':15 'r':11C,21 'rap':28 'rb':13C,23 'rnb':27 'soul':10C,20 'special':7C,18 'talk':1A 'turntablism':29 'us':3A
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620646417.5617487  (2021-05-10 13:33:37)
                             'size'  6711561