======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '2609'
                                          'artist'  'Robert Ashley'
                                     'text_people'  ''
                                         'release'  'Wolfman'
                                           'title'  'The Bottleman'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'electronic', 'avant garde', 'experimental "
 "opera', 'experimental']")
                                     'discogstags'  ("['electronic', 'non-music', 'experimental', 'musique concrète', 'noise', "
 "'spoken word']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '132.5'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000095 00000093 000035D4 0000351D 00225B00 00225B00 00004F95 00004F17 '
 '0023E753 0023E753')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000096C 0000000006DC2F84 00000000 031C69A1 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Wolfman'
'TBPM' (BPM (beats per minute))                     '132.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'iTunes 12.3.2.35'
'TIT2' (Title/songname/content description)         'The Bottleman'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Ashley'
'TRCK' (Track number/Position in set)               '4'
'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',
 'non-music',
 'experimental',
 'musique concrète',
 'noise',
 'spoken word']
'TXXX:lastfmtags'                                   ['contemporary classical',
 'electronic',
 'avant garde',
 'experimental opera',
 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.879066'

========================== row from database ==========================
                                              'id'  423859
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Wolfman/04 The Bottleman 1.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  2609
                                           'genre'  electronic-experimental
                                        'filesize'  52220105
                                           'mtime'  1636917243
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 04 1 electronic experimental
                                      'tag_artist'  Robert Ashley
                                     'tag_release'  Wolfman
                                       'tag_title'  The Bottleman
                                             'bpm'  132.5
                                    'search_title'  'bottleman':2 'the':1
                                   'search_artist'  'ashley':2 'robert':1
                                  'search_release'  'wolfman':1
                                     'search_rest'  '1':1 'electronic':2 'experimental':3
                                    'search_combo'  '1':6 'ashley':4B 'bottleman':2A 'electronic':7 'experimental':8 'robert':3B 'the':1A 'wolfman':5C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'electronic', 'avant garde', 'experimental opera', 'experimental']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'non-music', 'experimental', 'musique concrète', 'noise', 'spoken word']

============================== file details ==============================
                                           'mtime'  1636917243.190661  (2021-11-14 20:14:03)
                             'size'  52220105