======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '193'
                                          'artist'  'Slim Whitman'
                                     'text_people'  ''
                                         'release'  "Dimitri's Yodel Compilation"
                                           'title'  'Song Of The Old Water Wheel'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-1', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'oldies', 'yodel', 'classic country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '145.5'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000004B7 000004B7 00004A4D 00004A4D 0001D11F 0001D11F 000056A6 000056A6 '
 '00020A5B 00020A5B')
'PRIV:AverageLevel:Á\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'\xc1\r\x00\x00')
'PRIV:PeakValue:¥V\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa5V\x00\x00')
'TALB' (Album/Movie/Show title)                     "Dimitri's Yodel Compilation"
'TBPM' (BPM (beats per minute))                     '145.5'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Song Of The Old Water Wheel'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Slim Whitman'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['country', 'oldies', 'yodel', 'classic country']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.42 dB'
'TXXX:replaygain_track_peak'                        '0.402521'

========================== row from database ==========================
                                              'id'  1532970
                                            'path'  /data/Music/Bulk/00spent/Dimitri_s Yodel Compilation/02 - Slim Whitman - Song Of The Old Water Wheel.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  193
                                           'genre'  loc-unsorted
                                        'filesize'  4831595
                                           'mtime'  1621630319
                                   'redo_metaread'  0
                                        'rest_str'   00spent Dimitri_s 02 loc unsorted
                                      'tag_artist'  Slim Whitman
                                     'tag_release'  Dimitri's Yodel Compilation
                                       'tag_title'  Song Of The Old Water Wheel
                                             'bpm'  145.5
                                    'search_title'  'of':2 'old':4 'song':1 'the':3 'water':5 'wheel':6
                                   'search_artist'  'slim':1 'whitman':2
                                  'search_release'  'compilation':5 'dimitri':1 'dimitris':3 's':2 'yodel':4
                                     'search_rest'  '00spent':1 'dimitri':2 'loc':4 's':3 'unsorted':5
                                    'search_combo'  '00spent':14 'compilation':13C 'dimitri':9C,15 'dimitris':11C 'loc':17 'of':2A 'old':4A 's':10C,16 'slim':7B 'song':1A 'the':3A 'unsorted':18 'water':5A 'wheel':6A 'whitman':8B 'yodel':12C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['country', 'oldies', 'yodel', 'classic country']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630319.3843648  (2021-05-21 22:51:59)
                             'size'  4831595