======================== unified (from filesystem) ========================
                                         'bitrate'  '137.619'
                                        'duration'  '144'
                                          'artist'  'Roy Rogers'
                                     'text_people'  ''
                                         'release'  "Dimitri's Yodel Compilation"
                                           'title'  'Hawaiian Cowboy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'country', 'blues', 'western', 'cowboy songs']"
                                     'discogstags'  "['house', 'electronic', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '119.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000750 00000750 00002E64 00002E64 0001BC2C 0001BC2C 000078F3 000078F3 '
 '000027BA 000027BA')
'TALB' (Album/Movie/Show title)                     "Dimitri's Yodel Compilation"
'TBPM' (BPM (beats per minute))                     '119.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Hawaiian Cowboy'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Rogers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['house', 'electronic', 'disco']
'TXXX:lastfmtags'                                   ['blues rock', 'country', 'blues', 'western', 'cowboy songs']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.43 dB'
'TXXX:replaygain_track_peak'                        '0.397290'

========================== row from database ==========================
                                              'id'  1523401
                                            'path'  /data/Music/Bulk/00spent/Dimitri_s Yodel Compilation/13 - Roy Rogers - Hawaiian Cowboy.mp3
                                         'working'  None
                                         'bitrate'  137
                                    'duration_sec'  144
                                           'genre'  loc-unsorted
                                        'filesize'  2682428
                                           'mtime'  1621630324
                                   'redo_metaread'  0
                                        'rest_str'   00spent Dimitri_s 13 loc unsorted
                                      'tag_artist'  Roy Rogers
                                     'tag_release'  Dimitri's Yodel Compilation
                                       'tag_title'  Hawaiian Cowboy
                                             'bpm'  119.3
                                    'search_title'  'cowboy':2 'hawaiian':1
                                   'search_artist'  'rogers':2 'roy':1
                                  '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':10 'compilation':9C 'cowboy':2A 'dimitri':5C,11 'dimitris':7C 'hawaiian':1A 'loc':13 'rogers':4B 'roy':3B 's':6C,12 'unsorted':14 'yodel':8C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'country', 'blues', 'western', 'cowboy songs']
                                        'tag_date'  
                                     'discogstags'  ['house', 'electronic', 'disco']

============================== file details ==============================
                                           'mtime'  1621630324.2150958  (2021-05-21 22:52:04)
                             'size'  2682428