======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '245'
                                          'artist'  'Caravan Palace'
                                     'text_people'  ''
                                         'release'  'Caravan Palace'
                                           'title'  'Dragons'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'electro swing', 'electronic', 'electro', 'french']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '7'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-electroswing'
                                             'bpm'  '124'
                                             'key'  '9A'
                                        'acoustid'  '8fe26ce9-3330-4bf4-9992-a97345dd5c9f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Caravan Palace'
'TBPM' (BPM (beats per minute))                     '124'
'TCON' (Content type, a.k.a. Genre)                 'electronic-electroswing'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Dragons'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Caravan Palace'
'TPE2' (Band/orchestra/accompaniment)               'Caravan Palace'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Wagram Music'
'TRCK' (Track number/Position in set)               '1/7'
'TSO2'                                              'Caravan Palace'
'TSOP' (Performer sort order)                       'Caravan Palace'
'TSRC' (ISRC (international standard recording code))  'FR89R0800001'
'TXXX:ASIN'                                         'B0024QFCCE'
'TXXX:Acoustid Id'                                  '8fe26ce9-3330-4bf4-9992-a97345dd5c9f'
'TXXX:Artists'                                      'Caravan Palace'
'TXXX:BARCODE'                                      '3596971410261'
'TXXX:CATALOGNUMBER'                                '3141026'
'TXXX:MusicBrainz Album Artist Id'                  '72eabb1a-4d2c-4de6-90f2-671b2cada42b'
'TXXX:MusicBrainz Album Id'                         'b6c0feb9-0ab2-4251-95ea-031beb543bd5'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '72eabb1a-4d2c-4de6-90f2-671b2cada42b'
'TXXX:MusicBrainz Release Group Id'                 'd6f89487-f0ff-3b0c-ba25-40fed5cb9a5d'
'TXXX:MusicBrainz Release Track Id'                 '820a641f-0de1-35e1-b21e-a189bb146c69'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['jazz', 'electro swing', 'electronic', 'electro', 'french']
'TXXX:originalyear'                                 '2008'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.402429'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a7880efc-9085-4b77-b27d-8e3263f5e3fa')

========================== row from database ==========================
                                              'id'  1294727
                                            'path'  /data/Music/Bulk/00poprockelectronic/Caravan Palace/1 - Dragons.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  245
                                           'genre'  electronic-electroswing
                                        'filesize'  7931421
                                           'mtime'  1621630133
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1 electronic electroswing
                                      'tag_artist'  Caravan Palace
                                     'tag_release'  Caravan Palace
                                       'tag_title'  Dragons
                                             'bpm'  124.0
                                    'search_title'  'dragons':1
                                   'search_artist'  'caravan':1 'palace':2
                                  'search_release'  'caravan':1 'palace':2
                                     'search_rest'  '00poprockelectronic':1 '1':2 'electronic':3 'electroswing':4
                                    'search_combo'  '00poprockelectronic':6 '1':7 'caravan':2B,4C 'dragons':1A 'electronic':8 'electroswing':9 'palace':3B,5C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'electro swing', 'electronic', 'electro', 'french']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621630132.6544294  (2021-05-21 22:48:52)
                             'size'  7931421