======================== unified (from filesystem) ========================
                                         'bitrate'  '224.398'
                                        'duration'  '214'
                                          'artist'  'Bella Morte'
                                     'text_people'  ''
                                         'release'  'Beautiful Death'
                                           'title'  "Can't Let This Die"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['deathrock', 'gothic rock', 'industrial', 'gothic', 'darkwave']"
                                     'discogstags'  "['goth rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '11'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-symphonic'
                                             'bpm'  '123.406'
                                             'key'  '6A'
                                        'acoustid'  '18b26e18-d40c-40f5-b170-af64aa228d66'
rest: ''

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

'PRIV:AverageLevel:{\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1d\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'PRIV:http://www.cdtag.com:\x02\x00à #\x00'         PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xe0 #\x00')
'TALB' (Album/Movie/Show title)                     'Beautiful Death'
'TBPM' (BPM (beats per minute))                     '123.406'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-symphonic'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-10-07'
'TIT2' (Title/songname/content description)         "Can't Let This Die"
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bella Morte'
'TPE2' (Band/orchestra/accompaniment)               'Bella Morte'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Metropolis Records'
'TRCK' (Track number/Position in set)               '2/11'
'TSO2'                                              'Bella Morte'
'TSOP' (Performer sort order)                       'Bella Morte'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME'
'TXXX:ASIN'                                         'B001EKNYCQ'
'TXXX:Acoustid Id'                                  '18b26e18-d40c-40f5-b170-af64aa228d66'
'TXXX:BARCODE'                                      '782388056328'
'TXXX:MusicBrainz Album Artist Id'                  '686dffc5-e13c-4b14-b2b7-097cbef040f0'
'TXXX:MusicBrainz Album Id'                         '0326b04c-a328-4b7d-a114-93eabb83dfd9'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '686dffc5-e13c-4b14-b2b7-097cbef040f0'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Advance'
'TXXX:Rip date'                                     '2008-08-30'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  ['goth rock', 'rock']
'TXXX:lastfmtags'                                   ['deathrock', 'gothic rock', 'industrial', 'gothic', 'darkwave']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+17.50 dB'
'TXXX:replaygain_track_peak'                        '0.047670'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'95a2f9e3-39f8-4254-8d81-5e1b19be011c')

========================== row from database ==========================
                                              'id'  1504816
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Bella Morte - 2008 - Beautiful Death/2 - Can_t Let This Die.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  214
                                           'genre'  eid-metal-symphonic
                                        'filesize'  6030979
                                           'mtime'  1620311487
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2008 2 Can_t eid metal symphonic
                                      'tag_artist'  Bella Morte
                                     'tag_release'  Beautiful Death
                                       'tag_title'  Can't Let This Die
                                             'bpm'  123.406
                                    'search_title'  'can':1 'cant':3 'die':6 'let':4 't':2 'this':5
                                   'search_artist'  'bella':1 'morte':2
                                  'search_release'  'beautiful':1 'death':2
                                     'search_rest'  '00dwimp':1 '00metal':2 '2':4 '2008':3 'can':5 'eid':7 'metal':8 'symphonic':9 't':6
                                    'search_combo'  '00dwimp':11 '00metal':12 '2':14 '2008':13 'beautiful':9C 'bella':7B 'can':1A,15 'cant':3A 'death':10C 'die':6A 'eid':17 'let':4A 'metal':18 'morte':8B 'symphonic':19 't':2A,16 'this':5A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['deathrock', 'gothic rock', 'industrial', 'gothic', 'darkwave']
                                        'tag_date'  2008
                                     'discogstags'  ['goth rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620311486.9192662  (2021-05-06 16:31:26)
                             'size'  6030979