======================== unified (from filesystem) ========================
                                         'bitrate'  '262.763'
                                        'duration'  '345'
                                          'artist'  'Amon Tobin'
                                     'text_people'  ''
                                         'release'  'Supermodified'
                                           'title'  'Marine Machines'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']"
                                     'discogstags'  "['electronic', 'leftfield', 'breaks', 'future jazz', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore;set-pl-sced'
                                             'bpm'  '95.3'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000009D4 000008B8 0000422E 00003245 0001CF20 0001CF20 00008000 00008000 '
 '00011076 0001105F')
'TALB' (Album/Movie/Show title)                     'Supermodified'
'TBPM' (BPM (beats per minute))                     '95.3'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-glitch-breakcore', 'set-pl-sced']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Marine Machines'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amon Tobin'
'TPE2' (Band/orchestra/accompaniment)               'Amon Tobin'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'breaks', 'future jazz', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.56 dB'
'TXXX:replaygain_track_peak'                        '0.524692'

========================== row from database ==========================
                                              'id'  323643
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Amon Tobin/[2000] Supermodified/04 Marine Machines.mp3
                                         'working'  None
                                         'bitrate'  262
                                    'duration_sec'  345
                                           'genre'  electronic-experimental-glitch-breakcore;set-pl-sced
                                        'filesize'  11479317
                                           'mtime'  1621637946
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2000] 04 electronic experimental glitch breakcore;set pl sced
                                      'tag_artist'  Amon Tobin
                                     'tag_release'  Supermodified
                                       'tag_title'  Marine Machines
                                             'bpm'  95.3
                                    'search_title'  'machines':2 'marine':1
                                   'search_artist'  'amon':1 'tobin':2
                                  'search_release'  'supermodified':1
                                     'search_rest'  '2000':1,2 'breakcore':6,8 'electronic':3 'experimental':4 'glitch':5 'pl':10 'sced':11 'set':7,9
                                    'search_combo'  '2000':6,7 'amon':3B 'breakcore':11,13 'electronic':8 'experimental':9 'glitch':10 'machines':2A 'marine':1A 'pl':15 'sced':16 'set':12,14 'supermodified':5C 'tobin':4B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'leftfield', 'breaks', 'future jazz', 'downtempo']

============================== file details ==============================
                                           'mtime'  1621637946.2791133  (2021-05-22 00:59:06)
                             'size'  11479317