======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '146'
                                          'artist'  'Matmos'
                                     'text_people'  ''
                                         'release'  '2007 - A Paradise Of Dainty Devices'
                                           'title'  'B3 Collage Two'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'glitch', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '21'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore'
                                             'bpm'  '142.9'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_IDs:eng'                          '21+2EB75399E7F3D5E2D9A18ADBCE7192C4+9477631'
'PRIV:AverageLevel:{\x0c\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x0c\x00\x00')
'PRIV:PeakValue:!x\x00\x00'                         PRIV(owner='PeakValue', data=b'!x\x00\x00')
'TALB' (Album/Movie/Show title)                     '2007 - A Paradise Of Dainty Devices'
'TBPM' (BPM (beats per minute))                     '142.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-breakcore'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.2'
'TIT2' (Title/songname/content description)         'B3 Collage Two'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Matmos'
'TRCK' (Track number/Position in set)               '10/21'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'glitch', 'idm', 'electronic', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.32 dB'
'TXXX:replaygain_track_peak'                        '0.558840'

========================== row from database ==========================
                                              'id'  721757
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/2007 - a paradise of dainty devices/10 b3 collage two.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  146
                                           'genre'  electronic-experimental-glitch-breakcore
                                        'filesize'  2941670
                                           'mtime'  1620522309
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm paradise of dainty devices 10 b3 collage two electronic experimental glitch breakcore
                                      'tag_artist'  Matmos
                                     'tag_release'  2007 - A Paradise Of Dainty Devices
                                       'tag_title'  B3 Collage Two
                                             'bpm'  142.9
                                    'search_title'  'b3':1 'collage':2 'two':3
                                   'search_artist'  'matmos':1
                                  'search_release'  '2007':1 'a':2 'dainty':5 'devices':6 'of':4 'paradise':3
                                     'search_rest'  'b3':5 'breakcore':11 'collage':6 'dainty':3 'devices':4 'electronic':8 'experimental':9 'glitch':10 'of':2 'paradise':1 'two':7
                                    'search_combo'  '2007':5C 'a':6C 'b3':1A,15 'breakcore':21 'collage':2A,16 'dainty':9C,13 'devices':10C,14 'electronic':18 'experimental':19 'glitch':20 'matmos':4B 'of':8C,12 'paradise':7C,11 'two':3A,17
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'glitch', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620522308.6377559  (2021-05-09 03:05:08)
                             'size'  2941670