======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '254'
                                          'artist'  'John Lennon'
                                     'text_people'  ''
                                         'release'  'The John Lennon Collection'
                                           'title'  'Mind Games'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-3', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'pop', 'british', 'classic rock']"
                                     'discogstags'  "['rock', 'pop', 'soft rock', 'pop rock', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '19'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '132'
                                             'key'  '8B'
                                        'acoustid'  'dddb6aa5-1bb7-453d-b4a0-f24f1dc8d750'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The John Lennon Collection'
'TBPM' (BPM (beats per minute))                     '132'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Mind Games'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'John Lennon'
'TPE2' (Band/orchestra/accompaniment)               'John Lennon'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Capitol Records'
'TRCK' (Track number/Position in set)               '6/19'
'TSO2'                                              'Lennon, John'
'TSOP' (Performer sort order)                       'Lennon, John'
'TSRC' (ISRC (international standard recording code))  'GBAYE0201298/GBAYE1000811'
'TXXX:Acoustid Id'                                  'dddb6aa5-1bb7-453d-b4a0-f24f1dc8d750'
'TXXX:Artists'                                      'John Lennon'
'TXXX:BARCODE'                                      '777497550331'
'TXXX:CATALOGNUMBER'                                'CDP 591516'
'TXXX:MusicBrainz Album Artist Id'                  '4d5447d7-c61c-4120-ba1b-d7f471d385b9'
'TXXX:MusicBrainz Album Id'                         '2ebccc44-ad6c-4b52-a701-dc0abc22eaa0'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '4d5447d7-c61c-4120-ba1b-d7f471d385b9'
'TXXX:MusicBrainz Release Group Id'                 'f733db12-dec2-38ff-8236-7163c815750e'
'TXXX:MusicBrainz Release Track Id'                 'de6167c8-798d-4b16-81f7-2c6807b12104'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop', 'soft rock', 'pop rock', 'ballad']
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
'TXXX:originalyear'                                 '1989'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.717146'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a00be5e8-b85a-46e0-b9d0-14f4cb57b1c1')

========================== row from database ==========================
                                              'id'  1412267
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/John Lennon - The John Lennon Collection/John Lennon - 06 - Mind Games.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  254
                                           'genre'  rock-cppex-classic
                                        'filesize'  10255365
                                           'mtime'  1636038760
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 06 rock cppex classic
                                      'tag_artist'  John Lennon
                                     'tag_release'  The John Lennon Collection
                                       'tag_title'  Mind Games
                                             'bpm'  132.0
                                    'search_title'  'games':2 'mind':1
                                   'search_artist'  'john':1 'lennon':2
                                  'search_release'  'collection':4 'john':2 'lennon':3 'the':1
                                     'search_rest'  'classic':4 'classicprogpsy':1 'cppex':3 'rock':2
                                    'search_combo'  'classic':12 'classicprogpsy':9 'collection':8C 'cppex':11 'games':2A 'john':3B,6C 'lennon':4B,7C 'mind':1A 'rock':10 'the':5C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'pop', 'british', 'classic rock']
                                        'tag_date'  1989
                                     'discogstags'  ['rock', 'pop', 'soft rock', 'pop rock', 'ballad']

============================== file details ==============================
                                           'mtime'  1636038759.677749  (2021-11-04 16:12:39)
                             'size'  10255365