======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '147'
                                          'artist'  'Ivor Biggun'
                                     'text_people'  ''
                                         'release'  'The Fruity Bits Of.....'
                                           'title'  'Winking Your Blues Away'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
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 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['comedy', 'title is a full sentence', 'sexsongs']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '103.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Fruity Bits Of.....'
'TBPM' (BPM (beats per minute))                     '103.0'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Winking Your Blues Away'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Ivor Biggun'
'TPE2' (Band/orchestra/accompaniment)               'Ivor Biggun'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '13'
'TSO2'                                              'Ivor Biggun'
'TSOP' (Performer sort order)                       'Ivor Biggun'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf53.4.0'
'TXXX:MusicBrainz Album Artist Id'                  'a68c520c-896b-43ec-92f3-6f0f47d0a332'
'TXXX:MusicBrainz Album Id'                         'e9084c79-b975-4248-beb9-f0c61ac50837'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a68c520c-896b-43ec-92f3-6f0f47d0a332'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['comedy', 'title is a full sentence', 'sexsongs']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.587581'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5f64f669-35ba-4460-96a6-b58824c55fb2')

========================== row from database ==========================
                                              'id'  646781
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/the fruity bits of ivor biggun/13 - ivor biggun - winking your blues away.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  147
                                           'genre'  set-th-sex
                                        'filesize'  6568403
                                           'mtime'  1678553366
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm the fruity bits of ivor biggun 13 ivor biggun winking your blues away set th sex
                                      'tag_artist'  Ivor Biggun
                                     'tag_release'  The Fruity Bits Of.....
                                       'tag_title'  Winking Your Blues Away
                                             'bpm'  103.0
                                    'search_title'  'away':4 'blues':3 'winking':1 'your':2
                                   'search_artist'  'biggun':2 'ivor':1
                                  'search_release'  'bits':3 'fruity':2 'of':4,5 'the':1
                                     'search_rest'  'away':10 'biggun':6 'bits':3 'blues':9 'fruity':2 'ivor':5 'of':4 'set':11 'sex':13 'th':12 'the':1 'winking':7 'your':8
                                    'search_combo'  'away':4A,21 'biggun':6B,17 'bits':9C,14 'blues':3A,20 'fruity':8C,13 'ivor':5B,16 'of':10C,11C,15 'set':22 'sex':24 'th':23 'the':7C,12 'winking':1A,18 'your':2A,19
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['comedy', 'title is a full sentence', 'sexsongs']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678553366.2990043  (2023-03-11 17:49:26)
                             'size'  6568403