======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '317'
                                          'artist'  'Vanished Empire'
                                     'text_people'  ''
                                         'release'  'Theater Of Tragedy'
                                           'title'  'Her Last Words (Spectrum-X Mix)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['industrial', 'ebm', 'dark electro', 'japanese', 'gothic']"
                                     'discogstags'  "['industrial', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '145.9'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Theater Of Tragedy'
'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Her Last Words (Spectrum-X Mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Vanished Empire'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['industrial', 'electronic']
'TXXX:lastfmtags'                                   ['industrial', 'ebm', 'dark electro', 'japanese', 'gothic']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.80 dB'
'TXXX:replaygain_track_peak'                        '0.446320'

========================== row from database ==========================
                                              'id'  1488682
                                            'path'  /data/Music/Bulk/00dwimp/Vanished Empire - 2009 - Theater Of Tragedy/Vanished Empire - Her Last Words (Spectrum-X Mix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  317
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  5077594
                                           'mtime'  1620298472
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 2009 eid ebm industrial darkwave industrial
                                      'tag_artist'  Vanished Empire
                                     'tag_release'  Theater Of Tragedy
                                       'tag_title'  Her Last Words (Spectrum-X Mix)
                                             'bpm'  145.9
                                    'search_title'  'her':1 'last':2 'mix':7,8 'spectrum':4 'spectrumx':6 'words':3 'x':5
                                   'search_artist'  'empire':2 'vanished':1
                                  'search_release'  'of':2 'theater':1 'tragedy':3
                                     'search_rest'  '00dwimp':1 '2009':2 'darkwave':6 'ebm':4 'eid':3 'industrial':5
                                    'search_combo'  '00dwimp':14 '2009':15 'darkwave':19 'ebm':17 'eid':16 'empire':10B 'her':1A 'industrial':18 'last':2A 'mix':7A,8A 'of':12C 'spectrum':4A 'spectrumx':6A 'theater':11C 'tragedy':13C 'vanished':9B 'words':3A 'x':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-4', 'Q-SYN-3', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['industrial', 'ebm', 'dark electro', 'japanese', 'gothic']
                                        'tag_date'  2009
                                     'discogstags'  ['industrial', 'electronic']

============================== file details ==============================
                                           'mtime'  1620298472.1370168  (2021-05-06 12:54:32)
                             'size'  5077594