======================== unified (from filesystem) ========================
                                         'bitrate'  '248.334'
                                        'duration'  '302'
                                          'artist'  'Amon Tobin'
                                     'text_people'  ''
                                         'release'  'Bricolage'
                                           'title'  'Easy Muffin'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']"
                                     'discogstags'  ("['electronic', 'drum n bass', 'downtempo', 'breaks', 'abstract', 'future "
 "jazz', 'leftfield']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore;set-pl-sced'
                                             'bpm'  '145.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000004D5 00000458 00001E37 00001668 0003F65A 0003F65A 00007F5F 00007DB1 '
 '0003C6CD 0003C69F')
'TALB' (Album/Movie/Show title)                     'Bricolage'
'TBPM' (BPM (beats per minute))                     '145.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-glitch-breakcore', 'set-pl-sced']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Easy Muffin'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amon Tobin'
'TPE2' (Band/orchestra/accompaniment)               'Amon Tobin'
'TRCK' (Track number/Position in set)               '2'
'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',
 'drum n bass',
 'downtempo',
 'breaks',
 'abstract',
 'future jazz',
 'leftfield']
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.513517'

========================== row from database ==========================
                                              'id'  371110
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Amon Tobin/[1997] Bricolage/02 Easy Muffin.mp3
                                         'working'  None
                                         'bitrate'  248
                                    'duration_sec'  302
                                           'genre'  electronic-experimental-glitch-breakcore;set-pl-sced
                                        'filesize'  9399130
                                           'mtime'  1621637941
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [1997] 02 electronic experimental glitch breakcore;set pl sced
                                      'tag_artist'  Amon Tobin
                                     'tag_release'  Bricolage
                                       'tag_title'  Easy Muffin
                                             'bpm'  145.1
                                    'search_title'  'easy':1 'muffin':2
                                   'search_artist'  'amon':1 'tobin':2
                                  'search_release'  'bricolage':1
                                     'search_rest'  '1997':1,2 'breakcore':6,8 'electronic':3 'experimental':4 'glitch':5 'pl':10 'sced':11 'set':7,9
                                    'search_combo'  '1997':6,7 'amon':3B 'breakcore':11,13 'bricolage':5C 'easy':1A 'electronic':8 'experimental':9 'glitch':10 'muffin':2A 'pl':15 'sced':16 'set':12,14 'tobin':4B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7A
                                           '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-2', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'trip hop', 'idm', 'electronic', 'ninja tune']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'drum n bass', 'downtempo', 'breaks', 'abstract', 'future jazz', 'leftfield']

============================== file details ==============================
                                           'mtime'  1621637941.4064598  (2021-05-22 00:59:01)
                             'size'  9399130