======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '187'
                                          'artist'  'Maxence Cyrin'
                                     'text_people'  ''
                                         'release'  'Modern Rhapsodies'
                                           'title'  'Smokebelch II'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', "
 "'piano']")
                                     'discogstags'  "['electronic', 'modern classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '14'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments;set-cover or covered'
                                             'bpm'  '91.2'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:}\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'}\r\x00\x00')
'PRIV:PeakValue:¤~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa4~\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)                     'Modern Rhapsodies'
'TBPM' (BPM (beats per minute))                     '91.2'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-classical or classical instruments', 'set-cover or covered']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-10-24'
'TIT2' (Title/songname/content description)         'Smokebelch II'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Maxence Cyrin'
'TPE2' (Band/orchestra/accompaniment)               'Maxence Cyrin'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'F Communications'
'TRCK' (Track number/Position in set)               '14/14'
'TSO2'                                              'Cyrin, Maxence'
'TSOP' (Performer sort order)                       'Cyrin, Maxence'
'TSRC' (ISRC (international standard recording code))  'FRV220502200'
'TXXX:ASIN'                                         'B000BQORES'
'TXXX:BARCODE'                                      '5413356090321'
'TXXX:CATALOGNUMBER'                                'F 236 CD'
'TXXX:MusicBrainz Album Artist Id'                  '7947dab4-4274-46f4-bc11-135561c110b7'
'TXXX:MusicBrainz Album Id'                         '80ad6ff0-b0ce-4104-a48c-4b4cbe81c68b'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7947dab4-4274-46f4-bc11-135561c110b7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'modern classical']
'TXXX:lastfmtags'                                   ['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', 'piano']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.03 dB'
'TXXX:replaygain_track_peak'                        '0.699610'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3cecf15b-fe2d-4ae0-a163-f93f16d92cd0')

========================== row from database ==========================
                                              'id'  1117081
                                            'path'  /data/Music/Bulk/00instruments-classical/Maxence Cyrin - modern rhapsodies/14 smokebelch ii (original by sabres of paradise).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  187
                                           'genre'  prerock-classical or classical instruments;set-cover or covered
                                        'filesize'  4494240
                                           'mtime'  1636913589
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical modern rhapsodies 14 smokebelch ii (original by sabres of paradise) prerock classical or classical instruments;set cover or covered
                                      'tag_artist'  Maxence Cyrin
                                     'tag_release'  Modern Rhapsodies
                                       'tag_title'  Smokebelch II
                                             'bpm'  91.2
                                    'search_title'  'ii':2 'smokebelch':1
                                   'search_artist'  'cyrin':2 'maxence':1
                                  'search_release'  'modern':1 'rhapsodies':2
                                     'search_rest'  '00instruments':1 'by':9 'classical':2 'cover':20 'covered':21 'ii':6 'instruments':16,18 'modern':3 'of':11 'or':15 'original':7,8 'paradise':12,13 'prerock':14 'rhapsodies':4 'sabres':10 'set':17,19 'smokebelch':5
                                    'search_combo'  '00instruments':7 'by':15 'classical':8 'cover':26 'covered':27 'cyrin':4B 'ii':2A,12 'instruments':22,24 'maxence':3B 'modern':5C,9 'of':17 'or':21 'original':13,14 'paradise':18,19 'prerock':20 'rhapsodies':6C,10 'sabres':16 'set':23,25 'smokebelch':1A,11
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', 'piano']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'modern classical']

============================== file details ==============================
                                           'mtime'  1636913589.2045128  (2021-11-14 19:13:09)
                             'size'  4494240