======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '272'
                                          'artist'  'The Musical Betts'
                                     'text_people'  ''
                                         'release'  "Cool and Strange Music Magazine's Thrift Shop"
                                           'title'  'Grumblers'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '142.6'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Cool and Strange Music Magazine's Thrift Shop"
'TBPM' (BPM (beats per minute))                     '142.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Grumblers'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Musical Betts'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '24'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.92 dB'
'TXXX:replaygain_track_peak'                        '0.472833'

========================== row from database ==========================
                                              'id'  374989
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/mp3 [192k]/24_-_The_Musical_Betts_-_Grumblers.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  272
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  7220627
                                           'mtime'  1622801196
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm mp3 [192k] 24_ _The_Musical_Betts_ _Grumblers electronic experimental oddness
                                      'tag_artist'  The Musical Betts
                                     'tag_release'  Cool and Strange Music Magazine's Thrift Shop
                                       'tag_title'  Grumblers
                                             'bpm'  142.6
                                    'search_title'  'grumblers':1
                                   'search_artist'  'betts':3 'musical':2 'the':1
                                  'search_release'  'and':2 'cool':1 'magazine':5 'magazines':7 'music':4 's':6 'shop':9 'strange':3 'thrift':8
                                     'search_rest'  '192k':2,3 '24':4 'betts':7 'electronic':9 'experimental':10 'grumblers':8 'mp3':1 'musical':6 'oddness':11 'the':5
                                    'search_combo'  '192k':15,16 '24':17 'and':6C 'betts':4B,20 'cool':5C 'electronic':22 'experimental':23 'grumblers':1A,21 'magazine':9C 'magazines':11C 'mp3':14 'music':8C 'musical':3B,19 'oddness':24 's':10C 'shop':13C 'strange':7C 'the':2B,18 'thrift':12C
                                    'tag_tracknum'  24
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1622801195.977111  (2021-06-04 12:06:35)
                             'size'  7220627