======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '331'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Teardrop'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '102.437'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'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')
'TBPM' (BPM (beats per minute))                     '102.437'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'electronic-trip hop or downtempo or acid jazz']
'TIT2' (Title/songname/content description)         'Teardrop'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Massive Attack'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.45 dB'
'TXXX:replaygain_track_peak'                        '0.750117'

========================== row from database ==========================
                                              'id'  1495665
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Massive Attack - Teardrop.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  331
                                           'genre'  electronic-unsorted;electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5308733
                                           'mtime'  1636910208
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat electronic unsorted;electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  None
                                       'tag_title'  Teardrop
                                             'bpm'  102.437
                                    'search_title'  'teardrop':1
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'acid':14 'dance':3 'downtempo':13 'electronic':5,7,9 'generic':2 'hop':11 'jazz':15 'or':12 'trapbeat':4 'trip':10 'unsorted':6,8
                                    'search_combo'  '00poprockelectronic':4 'acid':17 'attack':3B 'dance':6 'downtempo':16 'electronic':8,10,12 'generic':5 'hop':14 'jazz':18 'massive':2B 'or':15 'teardrop':1A 'trapbeat':7 'trip':13 'unsorted':9,11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910208.2509775  (2021-11-14 18:16:48)
                             'size'  5308733