======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  'Rthr'
                                     'text_people'  'Arthur Taylor'
                                         'release'  ''
                                           'title'  "Who's That?"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '135.094'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:N\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b'N\x1a\x00\x00')
'PRIV:PeakValue:\x0f}\x00\x00'                      PRIV(owner='PeakValue', data=b'\x0f}\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))                     '135.094'
'TCOM' (Composer)                                   'Arthur Taylor'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "Who's That?"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rthr'
'TPE2' (Band/orchestra/accompaniment)               'Rthr'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.18 dB'
'TXXX:replaygain_track_peak'                        '0.690872'

========================== row from database ==========================
                                              'id'  980291
                                            'path'  /data/Music/Bulk/0soundtrack/Dr Who - Collection/Dr Who - Whos That Then - By Rthr.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  soundtrack-video-series
                                        'filesize'  5891183
                                           'mtime'  1636921552
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Dr Collection Dr Whos Then By soundtrack video series
                                      'tag_artist'  Rthr
                                     'tag_release'  None
                                       'tag_title'  Who's That?
                                             'bpm'  135.094
                                    'search_title'  's':2 'that':4 'who':1 'whos':3
                                   'search_artist'  'rthr':1
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'by':6 'collection':3 'dr':2 'series':9 'soundtrack':7 'then':5 'video':8 'whos':4
                                    'search_combo'  '0soundtrack':6 'by':11 'collection':8 'dr':7 'rthr':5B 's':2A 'series':14 'soundtrack':12 'that':4A 'then':10 'video':13 'who':1A 'whos':3A,9
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921552.4699872  (2021-11-14 21:25:52)
                             'size'  5891183