======================== unified (from filesystem) ========================
                                         'bitrate'  '215.079'
                                        'duration'  '271'
                                          'artist'  '3 Doors Down'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Landing In London'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'hard rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '145.476'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x07 \x00\x00'                   PRIV(owner='AverageLevel', data=b'\x07 \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')
'TBPM' (BPM (beats per minute))                     '145.476'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TIT2' (Title/songname/content description)         'Landing In London'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '3 Doors Down'
'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'                                   ['alternative rock', 'alternative', 'hard rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.417631'

========================== row from database ==========================
                                              'id'  1295299
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Three Doors Down - Landing In London.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  271
                                           'genre'  rock-unsorted
                                        'filesize'  7302105
                                           'mtime'  1678456023
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Three rock unsorted
                                      'tag_artist'  3 Doors Down
                                     'tag_release'  None
                                       'tag_title'  Landing In London
                                             'bpm'  145.476
                                    'search_title'  'in':2 'landing':1 'london':3
                                   'search_artist'  '3':1 'doors':2 'down':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'rock':8 'three':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 '3':4B 'doors':5B 'down':6B 'files':11,12 'in':2A 'landing':1A 'london':3A 'loose':9,10 'rock':14 'three':13 'unsorted':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'hard rock', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1678456022.506997  (2023-03-10 14:47:02)
                             'size'  7302105