======================== unified (from filesystem) ========================
                                         'bitrate'  '170.328'
                                        'duration'  '342'
                                          'artist'  'Lamb'
                                     'text_people'  ''
                                         'release'  'Best Kept Secrets'
                                           'title'  'Gold'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '111.701'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'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)                     'Best Kept Secrets'
'TBPM' (BPM (beats per minute))                     '111.701'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Gold'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lamb'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                        '-2.23 dB'
'TXXX:replaygain_track_peak'                        '0.640198'

========================== row from database ==========================
                                              'id'  1314974
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Lamb/Best Kept Secrets/mp3/Lamb - Best Kept Secrets - The Best Of Lamb 1996-2004 - 03 - Gold.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  342
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7297698
                                           'mtime'  1636910655
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip mp3 The Of 1996 2004 03 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Lamb
                                     'tag_release'  Best Kept Secrets
                                       'tag_title'  Gold
                                             'bpm'  111.701
                                    'search_title'  'gold':1
                                   'search_artist'  'lamb':1
                                  'search_release'  'best':1 'kept':2 'secrets':3
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '1996':6 '2004':7 'acid':13 'downtempo':12 'electronic':8 'hop':10 'jazz':14 'mp3':3 'of':5 'or':11 'the':4 'trip':9
                                    'search_combo'  '00poprockelectronic':6 '00trip':7 '1996':11 '2004':12 'acid':18 'best':3C 'downtempo':17 'electronic':13 'gold':1A 'hop':15 'jazz':19 'kept':4C 'lamb':2B 'mp3':8 'of':10 'or':16 'secrets':5C 'the':9 'trip':14
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'female vocalists', 'trip hop', 'chillout']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910654.5688586  (2021-11-14 18:24:14)
                             'size'  7297698