======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '416'
                                          'artist'  'Bradbury'
                                     'text_people'  ''
                                         'release'  'Ruffini Corpuscle'
                                           'title'  'Sinistrogyric Mobius Disc'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['testing 1 2 3', 'drone', 'experimental', 'noise', 'katarakt']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '14'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '138.4'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00001B0F 00001601 0003784D 00036D24 00064139 0005831F 00008E0D 00008E0E '
 '0004DF24 00064DC6')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000828 0000000001188F48 00000000 0098A179 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '14+812C6A293B9ECCBA51DB4389D05D3DF8+2764996'
'TALB' (Album/Movie/Show title)                     'Ruffini Corpuscle'
'TBPM' (BPM (beats per minute))                     '138.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'iTunes 8.0.1'
'TIT2' (Title/songname/content description)         'Sinistrogyric Mobius Disc'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bradbury'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/14'
'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:lastfmtags'                                   ['testing 1 2 3', 'drone', 'experimental', 'noise', 'katarakt']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.458754'

========================== row from database ==========================
                                              'id'  1369586
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bradbury - 2002 ruffini corpuscle/09 Sinistrogyric Mobius Disc.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  416
                                           'genre'  electronic-experimental
                                        'filesize'  10039094
                                           'mtime'  1622801583
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2002 ruffini corpuscle 09 electronic experimental
                                      'tag_artist'  Bradbury
                                     'tag_release'  Ruffini Corpuscle
                                       'tag_title'  Sinistrogyric Mobius Disc
                                             'bpm'  138.4
                                    'search_title'  'disc':3 'mobius':2 'sinistrogyric':1
                                   'search_artist'  'bradbury':1
                                  'search_release'  'corpuscle':2 'ruffini':1
                                     'search_rest'  '2002':1 'corpuscle':3 'electronic':4 'experimental':5 'ruffini':2
                                    'search_combo'  '2002':7 'bradbury':4B 'corpuscle':6C,9 'disc':3A 'electronic':10 'experimental':11 'mobius':2A 'ruffini':5C,8 'sinistrogyric':1A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  2A
                                           '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-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['testing 1 2 3', 'drone', 'experimental', 'noise', 'katarakt']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801583.3346882  (2021-06-04 12:13:03)
                             'size'  10039094