======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '216'
                                          'artist'  'Arnaud Rodrigues'
                                     'text_people'  ''
                                         'release'  'Som Do Paulinho'
                                           'title'  'Rock De Minas Gerais'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['reggae', 'brasil', 'rap', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock', 'latin', 'funk / soul', 'folk, world, & country', 'mpb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '10'
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'loc-samerica-brazil;rock-cppex-psychedelic'
                                             'bpm'  '121.774'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:±\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'\xb1\r\x00\x00')
'PRIV:PeakValue:Ðw\x00\x00'                         PRIV(owner='PeakValue', data=b'\xd0w\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Som Do Paulinho'
'TBPM' (BPM (beats per minute))                     '121.774'
'TCON' (Content type, a.k.a. Genre)                 ['loc-samerica-brazil', 'rock-cppex-psychedelic']
'TDOR' (Original release time)                      '1976'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Rock De Minas Gerais'
'TKEY' (Initial key)                                '2B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Arnaud Rodrigues'
'TPE2' (Band/orchestra/accompaniment)               'Arnaud Rodrigues'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'RCA Victor'
'TRCK' (Track number/Position in set)               '2/10'
'TSO2'                                              'Arnaud Rodrigues'
'TSOP' (Performer sort order)                       'Arnaud Rodrigues'
'TXXX:Artists'                                      'Arnaud Rodrigues'
'TXXX:CATALOGNUMBER'                                '103.0180'
'TXXX:MusicBrainz Album Artist Id'                  'af97de51-db74-47ae-948e-c8761da036b3'
'TXXX:MusicBrainz Album Id'                         'ac84ea64-ef0d-4724-97ce-3fd92c52a0e5'
'TXXX:MusicBrainz Album Release Country'            'BR'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'af97de51-db74-47ae-948e-c8761da036b3'
'TXXX:MusicBrainz Release Group Id'                 '9e274f49-ff64-42d1-92ae-04c02ae6de66'
'TXXX:MusicBrainz Release Track Id'                 'dfb628f4-a7b5-4f6a-81a0-550b9b0965a6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'latin', 'funk / soul', 'folk, world, & country', 'mpb']
'TXXX:lastfmtags'                                   ['reggae', 'brasil', 'rap', 'psychedelic', 'rock']
'TXXX:originalyear'                                 '1976'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.787124'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'88a71383-a02a-4480-aba2-da644f7c04cd')

========================== row from database ==========================
                                              'id'  1410497
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Som do Paulinho/02 Rock de Minas Gerais.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  216
                                           'genre'  loc-samerica-brazil;rock-cppex-psychedelic
                                        'filesize'  3527133
                                           'mtime'  1621696454
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy do 02 de loc samerica brazil;rock cppex psychedelic
                                      'tag_artist'  Arnaud Rodrigues
                                     'tag_release'  Som Do Paulinho
                                       'tag_title'  Rock De Minas Gerais
                                             'bpm'  121.774
                                    'search_title'  'de':2 'gerais':4 'minas':3 'rock':1
                                   'search_artist'  'arnaud':1 'rodrigues':2
                                  'search_release'  'do':2 'paulinho':3 'som':1
                                     'search_rest'  'brazil':6,8 'classicprogpsy':1 'cppex':10 'de':3 'do':2 'loc':4 'psychedelic':11 'rock':7,9 'samerica':5
                                    'search_combo'  'arnaud':5B 'brazil':15,17 'classicprogpsy':10 'cppex':19 'de':2A,12 'do':8C,11 'gerais':4A 'loc':13 'minas':3A 'paulinho':9C 'psychedelic':20 'rock':1A,16,18 'rodrigues':6B 'samerica':14 'som':7C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'brasil', 'rap', 'psychedelic', 'rock']
                                        'tag_date'  1976
                                     'discogstags'  ['rock', 'latin', 'funk / soul', 'folk, world, & country', 'mpb']

============================== file details ==============================
                                           'mtime'  1621696453.966446  (2021-05-22 17:14:13)
                             'size'  3527133