======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '126'
                                          'artist'  'Chequerboard'
                                     'text_people'  ''
                                         'release'  'The Unfolding'
                                           'title'  'Obelisk'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'Q-BUSY-2', 'q-bass-4', 'q-grit-1', 'q-play-4', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'acoustic', 'irish', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '133.491'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'The Unfolding'
'TBPM' (BPM (beats per minute))                     '133.491'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Obelisk'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chequerboard'
'TPE2' (Band/orchestra/accompaniment)               'Chequerboard'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-BUSY'                                       '2'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['instrumental', 'acoustic', 'irish', 'electronic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.21 dB'
'TXXX:replaygain_track_peak'                        '0.808448'

========================== row from database ==========================
                                              'id'  982865
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0calmer/Chequerboard/[2013] The Unfolding/05 - Obelisk.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  126
                                           'genre'  electronic
                                        'filesize'  5264005
                                           'mtime'  1636912127
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0calmer [2013] 05 electronic
                                      'tag_artist'  Chequerboard
                                     'tag_release'  The Unfolding
                                       'tag_title'  Obelisk
                                             'bpm'  133.491
                                    'search_title'  'obelisk':1
                                   'search_artist'  'chequerboard':1
                                  'search_release'  'the':1 'unfolding':2
                                     'search_rest'  '0calmer':1 '2013':2,3 'electronic':4
                                    'search_combo'  '0calmer':5 '2013':6,7 'chequerboard':2B 'electronic':8 'obelisk':1A 'the':3C 'unfolding':4C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-BUSY-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'acoustic', 'irish', 'electronic', 'experimental']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912126.5720427  (2021-11-14 18:48:46)
                             'size'  5264005