======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '777'
                                          'artist'  'Bad Sector'
                                     'text_people'  ''
                                         'release'  'BadBox'
                                           'title'  'Damages Report (VLBI Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'industrial', 'noise', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '145.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'BadBox'
'TBPM' (BPM (beats per minute))                     '145.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Damages Report (VLBI Remix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bad Sector'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dark ambient', 'industrial', 'noise', 'experimental', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.434306'

========================== row from database ==========================
                                              'id'  401461
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bad Sector/Damages Report (VLBI Remix).mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  777
                                           'genre'  electronic-ambient-dark
                                        'filesize'  21768192
                                           'mtime'  1636909889
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm electronic ambient dark
                                      'tag_artist'  Bad Sector
                                     'tag_release'  BadBox
                                       'tag_title'  Damages Report (VLBI Remix)
                                             'bpm'  145.3
                                    'search_title'  'damages':1 'remix':5,6 'report':2 'vlbi':3,4
                                   'search_artist'  'bad':1 'sector':2
                                  'search_release'  'bad':2 'badbox':1 'box':3
                                     'search_rest'  'ambient':2 'dark':3 'electronic':1
                                    'search_combo'  'ambient':13 'bad':7B,10C 'badbox':9C 'box':11C 'damages':1A 'dark':14 'electronic':12 'remix':5A,6A 'report':2A 'sector':8B 'vlbi':3A,4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['dark ambient', 'industrial', 'noise', 'experimental', 'ambient']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636909889.1909132  (2021-11-14 18:11:29)
                             'size'  21768192