======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '232'
                                          'artist'  'Hypnotic Brass Ensemble'
                                     'text_people'  ''
                                         'release'  'Hypnotic Brass Ensemble'
                                           'title'  'Mercury'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['free jazz', 'brass', 'jazz', 'beats', 'funk']"
                                     'discogstags'  "['jazz', 'funk / soul', 'jazz-funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '93.371'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 0000182A 00001010 000063DA 0000499C 0002A9A1 00018A31 00007770 00007300 '
 '0000914E 000275EE')
'MCDI' (Music CD identifier)                        MCDI(data=b'\x009c0af10c\x00')
'TALB' (Album/Movie/Show title)                     'Hypnotic Brass Ensemble'
'TBPM' (BPM (beats per minute))                     '93.371'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'Encoded with FreeRIP'
'TIT2' (Title/songname/content description)         'Mercury'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '232826'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Hypnotic Brass Ensemble'
'TPE2' (Band/orchestra/accompaniment)               'Hypnotic Brass Ensemble'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'funk / soul', 'jazz-funk']
'TXXX:lastfmtags'                                   ['free jazz', 'brass', 'jazz', 'beats', 'funk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.392330'

========================== row from database ==========================
                                              'id'  1360192
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/05 - mercury.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  232
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  7453463
                                           'mtime'  1620541185
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 05 mercury prerock jb jazz unsorted
                                      'tag_artist'  Hypnotic Brass Ensemble
                                     'tag_release'  Hypnotic Brass Ensemble
                                       'tag_title'  Mercury
                                             'bpm'  93.371
                                    'search_title'  'mercury':1
                                   'search_artist'  'brass':2 'ensemble':3 'hypnotic':1
                                  'search_release'  'brass':2 'ensemble':3 'hypnotic':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'jazz':10 'jb':9 'loose':3,4 'mercury':7 'prerock':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'brass':3B,6C 'ensemble':4B,7C 'files':12,13 'hypnotic':2B,5C 'jazz':17 'jb':16 'loose':10,11 'mercury':1A,14 'prerock':15 'unsorted':9
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5A
                                           '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-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['free jazz', 'brass', 'jazz', 'beats', 'funk']
                                        'tag_date'  2007
                                     'discogstags'  ['jazz', 'funk / soul', 'jazz-funk']

============================== file details ==============================
                                           'mtime'  1620541184.878109  (2021-05-09 08:19:44)
                             'size'  7453463