======================== unified (from filesystem) ========================
                                         'bitrate'  '255.195'
                                        'duration'  '303'
                                          'artist'  'Muslimgauze'
                                     'text_people'  ''
                                         'release'  'Classics Selection'
                                           'title'  'Nommos Descending'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'industrial', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '96.026'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Classics Selection'
'TBPM' (BPM (beats per minute))                     '96.026'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Nommos Descending'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Muslimgauze'
'TPE2' (Band/orchestra/accompaniment)               'Muslimgauze'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.536170'

========================== row from database ==========================
                                              'id'  1110465
                                            'path'  /data/Music/Bulk/00localcharacter/Muslimgauze/Classics Selection/02 Nommos Descending.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  303
                                           'genre'  loc-m
                                        'filesize'  9820685
                                           'mtime'  1620527051
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 02 loc
                                      'tag_artist'  Muslimgauze
                                     'tag_release'  Classics Selection
                                       'tag_title'  Nommos Descending
                                             'bpm'  96.026
                                    'search_title'  'descending':2 'nommos':1
                                   'search_artist'  'muslimgauze':1
                                  'search_release'  'classics':1 'selection':2
                                     'search_rest'  'loc':1
                                    'search_combo'  'classics':4C 'descending':2A 'loc':6 'muslimgauze':3B 'nommos':1A 'selection':5C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527050.62659  (2021-05-09 04:24:10)
                             'size'  9820685