======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '632'
                                          'artist'  'Club of Rome (aka Asmus Tietchens)'
                                     'text_people'  ''
                                         'release'  'Tellus #08: USA/Germany'
                                           'title'  'Endzeit-Kino, Gehirnspinst, Hydrox, Torsox'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '95.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #08: USA/Germany'
'TBPM' (BPM (beats per minute))                     '95.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Endzeit-Kino, Gehirnspinst, Hydrox, Torsox'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Club of Rome (aka Asmus Tietchens)'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.750761'

========================== row from database ==========================
                                              'id'  353382
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1985 - Tellus #08 - UsaGermany/13 - Club of Rome (aka Asmus Tietchens) - Endzeit-Kino, Gehirnspinst, Hydrox, Torsox.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  632
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  15208376
                                           'mtime'  1636912083
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1985 UsaGermany 13 electronic experimental oddness
                                      'tag_artist'  Club of Rome (aka Asmus Tietchens)
                                     'tag_release'  Tellus #08: USA/Germany
                                       'tag_title'  Endzeit-Kino, Gehirnspinst, Hydrox, Torsox
                                             'bpm'  95.4
                                    'search_title'  'endzeit':1 'endzeitkino':3 'gehirnspinst':4,5 'hydrox':6,7 'kino':2 'torsox':8
                                   'search_artist'  'aka':4,5 'asmus':6 'club':1 'of':2 'rome':3 'tietchens':7,8
                                  'search_release'  '08':2,3 'germany':5 'tellus':1 'usa':4 'usagermany':6
                                     'search_rest'  '1985':4 'audio':1 'cassette':2 'electronic':6 'experimental':7 'germany':10 'magazine':3 'oddness':8 'usa':9 'usagermany':5
                                    'search_combo'  '08':18C,19C '1985':26 'aka':12B,13B 'asmus':14B 'audio':23 'cassette':24 'club':9B 'electronic':28 'endzeit':1A 'endzeitkino':3A 'experimental':29 'gehirnspinst':4A,5A 'germany':21C,32 'hydrox':6A,7A 'kino':2A 'magazine':25 'oddness':30 'of':10B 'rome':11B 'tellus':17C 'tietchens':15B,16B 'torsox':8A 'usa':20C,31 'usagermany':22C,27
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912083.222438  (2021-11-14 18:48:03)
                             'size'  15208376