======================== unified (from filesystem) ========================
                                         'bitrate'  '159.942'
                                        'duration'  '329'
                                          'artist'  'Emilie Autumn'
                                     'text_people'  ''
                                         'release'  'Enchant'
                                           'title'  'Rose Red'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']"
                                     'discogstags'  ("['rock', 'classical', 'stage & screen', 'alternative rock', 'post-modern', "
 "'neo-romantic', 'neo-classical', 'contemporary', 'baroque', 'goth rock', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '14'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '136'
                                             'key'  '6A'
                                        'acoustid'  'f3497f63-4d62-433a-8e9c-db6e0166b674'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Enchant'
'TBPM' (BPM (beats per minute))                     '136'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-02-26'
'TIT2' (Title/songname/content description)         'Rose Red'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Emilie Autumn'
'TPE2' (Band/orchestra/accompaniment)               'Emilie Autumn'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Traitor Records'
'TRCK' (Track number/Position in set)               '9/14'
'TSO2'                                              'Autumn, Emilie'
'TSOP' (Performer sort order)                       'Autumn, Emilie'
'TSRC' (ISRC (international standard recording code))  'USHM90512405'
'TXXX:Acoustid Id'                                  'f3497f63-4d62-433a-8e9c-db6e0166b674'
'TXXX:Artists'                                      'Emilie Autumn'
'TXXX:CATALOGNUMBER'                                '[none]'
'TXXX:MusicBrainz Album Artist Id'                  'c8bc9ad3-1df2-4c9b-9cf7-cf6fc60441dc'
'TXXX:MusicBrainz Album Id'                         'f52af002-1ea9-478a-86e5-57bcd7b298e4'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c8bc9ad3-1df2-4c9b-9cf7-cf6fc60441dc'
'TXXX:MusicBrainz Release Group Id'                 '456efe5b-c3b1-3286-816f-729becb31629'
'TXXX:MusicBrainz Release Track Id'                 'b4b2b37c-3020-3d84-8c88-58e833d6b141'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock',
 'classical',
 'stage & screen',
 'alternative rock',
 'post-modern',
 'neo-romantic',
 'neo-classical',
 'contemporary',
 'baroque',
 'goth rock',
 'experimental']
'TXXX:lastfmtags'                                   ['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']
'TXXX:mood'                                         'Relaxed/Acoustic/Sad/Not aggressive/Not happy/Electronic/Not party'
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.02 dB'
'TXXX:replaygain_track_peak'                        '0.444941'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9014e075-ef4d-4102-b2a0-b5705e798b98')

========================== row from database ==========================
                                              'id'  188638
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Emilie Autumn/Enchant/Emilie Autumn - Enchant - 09 - Rose Red.mp3
                                         'working'  None
                                         'bitrate'  159
                                    'duration_sec'  329
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  6621234
                                           'mtime'  1636400892
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 09 ifs songwriter eos
                                      'tag_artist'  Emilie Autumn
                                     'tag_release'  Enchant
                                       'tag_title'  Rose Red
                                             'bpm'  136.0
                                    'search_title'  'red':2 'rose':1
                                   'search_artist'  'autumn':2 'emilie':1
                                  'search_release'  'enchant':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':6 'autumn':4B 'emilie':3B 'enchant':5C 'eos':8 'ifs':9 'red':2A 'rose':1A 'songwriter':7
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'classical', 'stage & screen', 'alternative rock', 'post-modern', 'neo-romantic', 'neo-classical', 'contemporary', 'baroque', 'goth rock', 'experimental']

============================== file details ==============================
                                           'mtime'  1636400891.6458316  (2021-11-08 20:48:11)
                             'size'  6621234