======================== unified (from filesystem) ========================
                                         'bitrate'  '210.525'
                                        'duration'  '358'
                                          'artist'  'The Verve'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bittersweet Symphony'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', '90s', 'alternative', 'britpop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;rock-pop-indie'
                                             'bpm'  '85.670'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1d\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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')
'TBPM' (BPM (beats per minute))                     '85.670'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'rock-pop-indie']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Bittersweet Symphony'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Verve'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', '90s', 'alternative', 'britpop', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.00 dB'
'TXXX:replaygain_track_peak'                        '0.425823'

========================== row from database ==========================
                                              'id'  1295393
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/The Verve - Bittersweet Symphony (January 1998).mp3
                                         'working'  None
                                         'bitrate'  210
                                    'duration_sec'  358
                                           'genre'  rock-unsorted;rock-pop-indie
                                        'filesize'  9438073
                                           'mtime'  1620736771
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s (January 1998) rock unsorted;rock pop indie
                                      'tag_artist'  The Verve
                                     'tag_release'  None
                                       'tag_title'  Bittersweet Symphony
                                             'bpm'  85.67
                                    'search_title'  'bittersweet':1 'symphony':2
                                   'search_artist'  'the':1 'verve':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1998':5,6 '90s':2 'indie':13 'january':3,4 'pop':12 'rock':7,9,11 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':5 '1998':9,10 '90s':6 'bittersweet':1A 'indie':17 'january':7,8 'pop':16 'rock':11,13,15 'symphony':2A 'the':3B 'unsorted':12,14 'verve':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', '90s', 'alternative', 'britpop', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736770.8077135  (2021-05-11 14:39:30)
                             'size'  9438073