======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '217'
                                          'artist'  'Stereo Total'
                                     'text_people'  ''
                                         'release'  'Musique automatique'
                                           'title'  "Les Chansons d'a"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'german', 'electronic', 'pop', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '15'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '138'
                                             'key'  '7B'
                                        'acoustid'  'dbcf0bc8-6584-4636-90f7-5aa883f0e58e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'F\x00+\x009\x006\x00+\x003\x00A\x008\x005\x00+\x007\x002\x00B\x00B\x00+\x009\x00C\x00C\x000\x00+\x00B\x00F\x007\x00C\x00+\x00F\x00F\x004\x003\x00+\x001\x003\x003\x00E\x006\x00+\x001\x006\x00F\x001\x00C\x00+\x001\x008\x00D\x002\x00F\x00+\x001\x00B\x00B\x004\x005\x00+\x001\x00E\x001\x006\x00B\x00+\x002\x000\x007\x003\x007\x00+\x002\x003\x000\x000\x00F\x00+\x002\x006\x008\x006\x004\x00+\x002\x00A\x00D\x008\x005\x00+\x004\x005\x00B\x008\x003\x00\x00\x00')
'PRIV:AverageLevel:ú \x00\x00'                      PRIV(owner='AverageLevel', data=b'\xfa \x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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')
'PRIV:WM/Provider:M\x00u\x00z\x00e\x00\x00\x00'     PRIV(owner='WM/Provider', data=b'M\x00u\x00z\x00e\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ì\x1bÔ³>à0K\x95pl\x85\xa07vx'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xec\x1b\xd4\xb3>\xe00K\x95pl\x85\xa07vx')
'PRIV:WM/WMCollectionID:ì\x1bÔ³>à0K\x95pl\x85\xa07vx'  PRIV(owner='WM/WMCollectionID', data=b'\xec\x1b\xd4\xb3>\xe00K\x95pl\x85\xa07vx')
'PRIV:WM/WMContentID:Öö\x82¦Ïã¶Dª\x8d\x9fn»ß>³'     PRIV(owner='WM/WMContentID', data=b'\xd6\xf6\x82\xa6\xcf\xe3\xb6D\xaa\x8d\x9fn\xbb\xdf>\xb3')
'TALB' (Album/Movie/Show title)                     'Musique automatique'
'TBPM' (BPM (beats per minute))                     '138'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-10-04'
'TIT2' (Title/songname/content description)         "Les Chansons d'a"
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '217693'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Stereo Total'
'TPE2' (Band/orchestra/accompaniment)               'Stereo Total'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Bungalow'
'TRCK' (Track number/Position in set)               '5/15'
'TSO2'                                              'Stereo Total'
'TSOP' (Performer sort order)                       'Stereo Total'
'TXXX:ASIN'                                         'B00005NY2N'
'TXXX:Acoustid Id'                                  'dbcf0bc8-6584-4636-90f7-5aa883f0e58e'
'TXXX:Artists'                                      'Stereo Total'
'TXXX:BARCODE'                                      '724381078426'
'TXXX:CATALOGNUMBER'                                'BUNG 093'
'TXXX:MusicBrainz Album Artist Id'                  '475ae7a5-07de-46a8-a88d-4322259aafa9'
'TXXX:MusicBrainz Album Id'                         '73a989a6-94c7-45f0-aceb-9b2725549904'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '475ae7a5-07de-46a8-a88d-4322259aafa9'
'TXXX:MusicBrainz Release Group Id'                 '2ae4b5ad-192a-3941-a15f-6b7c54d0ab21'
'TXXX:MusicBrainz Release Track Id'                 '8acec24c-4e31-3a1d-8e72-21232b973779'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'german', 'electronic', 'pop', 'french']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.528522'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f153be41-0432-4b2c-9726-6c031e3c363f')

========================== row from database ==========================
                                              'id'  1511822
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Stereo Total/Musique Automatique [UK]/05 Chansons D_a, Les.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  217
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5301196
                                           'mtime'  1621630297
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Automatique [UK] 05 D_a, ifs songwriter indie unsorted
                                      'tag_artist'  Stereo Total
                                     'tag_release'  Musique automatique
                                       'tag_title'  Les Chansons d'a
                                             'bpm'  138.0
                                    'search_title'  'a':4 'chansons':2 'd':3 'da':5 'les':1
                                   'search_artist'  'stereo':1 'total':2
                                  'search_release'  'automatique':2 'musique':1
                                     'search_rest'  '00singer':1 'a':8,10 'automatique':4 'd':7,9 'eos':3 'ifs':11 'indie':12 'songwriter':2 'uk':5,6 'unsorted':13
                                    'search_combo'  '00singer':10 'a':4A,17,19 'automatique':9C,13 'chansons':2A 'd':3A,16,18 'da':5A 'eos':12 'ifs':20 'indie':21 'les':1A 'musique':8C 'songwriter':11 'stereo':6B 'total':7B 'uk':14,15 'unsorted':22
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'german', 'electronic', 'pop', 'french']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630297.414404  (2021-05-21 22:51:37)
                             'size'  5301196