======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '581'
                                          'artist'  'Discipline'
                                     'text_people'  ''
                                         'release'  'progsoup 53'
                                           'title'  'Carmilla'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  '8'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '97.835'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'progsoup 53'
'TBPM' (BPM (beats per minute))                     '97.835'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Carmilla'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Discipline'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '24/8'
'TSO2'                                              'Discipline'
'TSOA' (Album sort order)                           'Push & Profit'
'TSOP' (Performer sort order)                       'Discipline'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.17 dB'
'TXXX:replaygain_track_peak'                        '0.845541'

========================== row from database ==========================
                                              'id'  1409947
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 53/3012 discipline - carmilla.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  581
                                           'genre'  rock-cppex-progressive
                                        'filesize'  14381056
                                           'mtime'  1620737568
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3012 discipline carmilla rock cppex progressive
                                      'tag_artist'  Discipline
                                     'tag_release'  progsoup 53
                                       'tag_title'  Carmilla
                                             'bpm'  97.835
                                    'search_title'  'carmilla':1
                                   'search_artist'  'discipline':1
                                  'search_release'  '53':2 'progsoup':1
                                     'search_rest'  '3012':3 'carmilla':5 'classicprogpsy':1 'cppex':7 'discipline':4 'progressive':8 'progsoup':2 'rock':6
                                    'search_combo'  '3012':7 '53':4C 'carmilla':1A,9 'classicprogpsy':5 'cppex':11 'discipline':2B,8 'progressive':12 'progsoup':3C,6 'rock':10
                                    'tag_tracknum'  24
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737568.4360726  (2021-05-11 14:52:48)
                             'size'  14381056