======================== unified (from filesystem) ========================
                                         'bitrate'  '256.011'
                                        'duration'  '181'
                                          'artist'  'Muslimgauze'
                                     'text_people'  ''
                                         'release'  'Hindu Kush On (Box Of Silk & Dogs, Cd1)'
                                           'title'  'Past Chad'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'Q-PLAY-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'industrial', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '118.014'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '3B'
'COMM:ID3v1 Comment:XXX'                            '3B'
'TALB' (Album/Movie/Show title)                     'Hindu Kush On (Box Of Silk & Dogs, Cd1)'
'TBPM' (BPM (beats per minute))                     '118.014'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Past Chad'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Muslimgauze'
'TPE2' (Band/orchestra/accompaniment)               'Muslimgauze'
'TRCK' (Track number/Position in set)               '10'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:MP3GAIN_MINMAX'                               '122,193'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '3'
'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-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.271906'

========================== row from database ==========================
                                              'id'  476316
                                            'path'  /data/Music/Bulk/00localcharacter/Muslimgauze/Hindu Kush On (Box Of Silk & Dogs, Cd1)/10 Past Chad.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  181
                                           'genre'  loc-m
                                        'filesize'  5806664
                                           'mtime'  1620527182
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 10 loc
                                      'tag_artist'  Muslimgauze
                                     'tag_release'  Hindu Kush On (Box Of Silk & Dogs, Cd1)
                                       'tag_title'  Past Chad
                                             'bpm'  118.014
                                    'search_title'  'chad':2 'past':1
                                   'search_artist'  'muslimgauze':1
                                  'search_release'  'box':4,5 'cd1':10,11 'dogs':8,9 'hindu':1 'kush':2 'of':6 'on':3 'silk':7
                                     'search_rest'  'loc':1
                                    'search_combo'  'box':7C,8C 'cd1':13C,14C 'chad':2A 'dogs':11C,12C 'hindu':4C 'kush':5C 'loc':15 'muslimgauze':3B 'of':9C 'on':6C 'past':1A 'silk':10C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-mixbeat-2', 'Q-PIANO-2', '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-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527182.4519448  (2021-05-09 04:26:22)
                             'size'  5806664