======================== unified (from filesystem) ========================
                                         'bitrate'  '206.296'
                                        'duration'  '143'
                                          'artist'  'Silver Jews'
                                     'text_people'  ''
                                         'release'  'Bright Flight'
                                           'title'  'Death of an Heir of Sorrows'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'alt country', 'folk', 'indie rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '106.643'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=255, count=0)
'PRIV:AverageLevel:{\x04\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x04\x00\x00')
'PRIV:PeakValue:!\x1e\x00\x00'                      PRIV(owner='PeakValue', data=b'!\x1e\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)                     'Bright Flight'
'TBPM' (BPM (beats per minute))                     '106.643'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Death of an Heir of Sorrows'
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '143568'
'TPE1' (Lead performer(s)/Soloist(s))               'Silver Jews'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'lo fi', 'alt country', 'folk', 'indie rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.48 dB'
'TXXX:replaygain_track_peak'                        '0.560657'

========================== row from database ==========================
                                              'id'  1267203
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Silver Jews/Bright Flight/10 death of an heir of sorrows.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  143
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3703758
                                           'mtime'  1623444736
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10 death heir sorrows ifs songwriter indie unsorted
                                      'tag_artist'  Silver Jews
                                     'tag_release'  Bright Flight
                                       'tag_title'  Death of an Heir of Sorrows
                                             'bpm'  106.643
                                    'search_title'  'an':3 'death':1 'heir':4 'of':2 'sorrows':5
                                   'search_artist'  'jews':2 'silver':1
                                  'search_release'  'bright':1 'flight':2
                                     'search_rest'  '00singer':1 'death':4 'eos':3 'heir':5 'ifs':7 'indie':8 'songwriter':2 'sorrows':6 'unsorted':9
                                    'search_combo'  '00singer':10 'an':3A 'bright':8C 'death':1A,13 'eos':12 'flight':9C 'heir':4A,14 'ifs':16 'indie':17 'jews':7B 'of':2A 'silver':6B 'songwriter':11 'sorrows':5A,15 'unsorted':18
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'alt country', 'folk', 'indie rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1623444735.511862  (2021-06-11 22:52:15)
                             'size'  3703758