======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '219'
                                          'artist'  'Saybia'
                                     'text_people'  ''
                                         'release'  'These Are The Days (2004)'
                                           'title'  'I Surrender'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'danish', 'indie', 'pop', 'rock', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '135.5'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         'Ripped By ZquarE\r\n#ShowBoat @ EFnet'
'COMM:iTunNORM:eng'                                 (' 00000D2C 00000EAB 00004F66 000057C3 0002AF13 0002A18F 00008000 00008000 '
 '00013F00 00011FE4')
'TALB' (Album/Movie/Show title)                     'These Are The Days (2004)'
'TBPM' (BPM (beats per minute))                     '135.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'I Surrender'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Saybia'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'danish', 'indie', 'pop', 'rock', 'alternative']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.367891'

========================== row from database ==========================
                                              'id'  1384513
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/I Surrender.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  219
                                           'genre'  rock-unsorted
                                        'filesize'  5737613
                                           'mtime'  1620392322
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] rock unsorted
                                      'tag_artist'  Saybia
                                     'tag_release'  These Are The Days (2004)
                                       'tag_title'  I Surrender
                                             'bpm'  135.5
                                    'search_title'  'i':1 'surrender':2
                                   'search_artist'  'saybia':1
                                  'search_release'  '2004':5,6 'are':2 'days':4 'the':3 'these':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '2004':8C,9C 'are':5C 'days':7C 'files':14,15 'i':1A 'loose':12,13 'rock':16 'saybia':3B 'surrender':2A 'the':6C 'these':4C 'unsorted':11
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'danish', 'indie', 'pop', 'rock', 'alternative']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392322.3685777  (2021-05-07 14:58:42)
                             'size'  5737613