======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '296'
                                          'artist'  'Velvet Acid Christ'
                                     'text_people'  ''
                                         'release'  'X'
                                           'title'  ''
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ebm', 'industrial', 'dark electro', 'electronic', 'darkwave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '135.094'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x88"\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x88"\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'X'
'TBPM' (BPM (beats per minute))                     '135.094'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '1998'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Velvet Acid Christ'
'TPE2' (Band/orchestra/accompaniment)               'Velvet Acid Christ'
'TSO2'                                              'Velvet Acid Christ'
'TSOP' (Performer sort order)                       'Velvet Acid Christ'
'TXXX:Q-HAP'                                        '1'
'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'                                   ['ebm', 'industrial', 'dark electro', 'electronic', 'darkwave']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.47 dB'
'TXXX:replaygain_track_peak'                        '0.570078'

========================== row from database ==========================
                                              'id'  1402329
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Velvet Acid Christ/Velvet Acid Christ - The Dark Inside Me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  296
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  4741120
                                           'mtime'  1620298190
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth The Dark Inside Me eid ebm or industrial or darkwave industrial
                                      'tag_artist'  Velvet Acid Christ
                                     'tag_release'  X
                                       'tag_title'  None
                                             'bpm'  135.094
                                    'search_title'  None
                                   'search_artist'  'acid':2 'christ':3 'velvet':1
                                  'search_release'  'x':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 'dark':7 'darkwave':4 'ebm':11 'eid':10 'goth':5 'industrial':3 'inside':8 'me':9 'or':12 'the':6
                                    'search_combo'  '00dwimp':5 '00ebm':6 'acid':2B 'christ':3B 'dark':11 'darkwave':8 'ebm':15 'eid':14 'goth':9 'industrial':7 'inside':12 'me':13 'or':16 'the':10 'velvet':1B 'x':4C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-piano-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['ebm', 'industrial', 'dark electro', 'electronic', 'darkwave']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620298190.074874  (2021-05-06 12:49:50)
                             'size'  4741120