======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '75'
                                          'artist'  'Ivor Biggun'
                                     'text_people'  ''
                                         'release'  'The Fruity Bits Of.....'
                                           'title'  'I Have A Dog His Name Is Rover'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', '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'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '145.0'
                                             'key'  '10A'
                                        '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))                     '145.0'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'I Have A Dog His Name Is Rover'
'TKEY' (Initial key)                                '10A'
'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)               '4'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+2.71 dB'
'TXXX:replaygain_track_peak'                        '0.471016'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'95024d2b-0408-45eb-ab34-d489e20c6845')

========================== row from database ==========================
                                              'id'  646755
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/the fruity bits of ivor biggun/04 - ivor biggun - i have a dog his name is rover.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  75
                                           'genre'  set-th-sex
                                        'filesize'  3676139
                                           'mtime'  1678553364
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm the fruity bits of ivor biggun 04 ivor biggun have dog his name rover set th sex
                                      'tag_artist'  Ivor Biggun
                                     'tag_release'  The Fruity Bits Of.....
                                       'tag_title'  I Have A Dog His Name Is Rover
                                             'bpm'  145.0
                                    'search_title'  'a':3 'dog':4 'have':2 'his':5 'i':1 'is':7 'name':6 'rover':8
                                   'search_artist'  'biggun':2 'ivor':1
                                  'search_release'  'bits':3 'fruity':2 'of':4,5 'the':1
                                     'search_rest'  'biggun':6 'bits':3 'dog':8 'fruity':2 'have':7 'his':9 'ivor':5 'name':10 'of':4 'rover':11 'set':12 'sex':14 'th':13 'the':1
                                    'search_combo'  'a':3A 'biggun':10B,21 'bits':13C,18 'dog':4A,23 'fruity':12C,17 'have':2A,22 'his':5A,24 'i':1A 'is':7A 'ivor':9B,20 'name':6A,25 'of':14C,15C,19 'rover':8A,26 'set':27 'sex':29 'th':28 'the':11C,16
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', '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'  1678553364.1264532  (2023-03-11 17:49:24)
                             'size'  3676139