======================== unified (from filesystem) ========================
                                         'bitrate'  '223.982'
                                        'duration'  '321'
                                          'artist'  'Tuning Circuits'
                                     'text_people'  ''
                                         'release'  'No Compassion'
                                           'title'  "It's in Our Brain (Harcore House version)"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-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-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ebm', 'techno', 'minimal wave', 'acid techno', 'industrial techno']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '8'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '127.3'
                                             'key'  '10A'
                                        'acoustid'  '8f0cd01b-1fb5-437d-badf-f408fb3cb671'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunPGAP:eng'                                 '1/'
'TALB' (Album/Movie/Show title)                     'No Compassion'
'TBPM' (BPM (beats per minute))                     '127.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1990'
'TENC' (Encoded by)                                 'iTunes 12.3.2.35'
'TIT2' (Title/songname/content description)         "It's in Our Brain (Harcore House version)"
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'Cassette'
'TPE1' (Lead performer(s)/Soloist(s))               'Tuning Circuits'
'TPE2' (Band/orchestra/accompaniment)               'Tuning Circuits'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Totally Freaked Out Power Electronics/Totally Freaked Out Power Electronics'
'TRCK' (Track number/Position in set)               '7/8'
'TSO2'                                              'Tuning Circuits'
'TSOP' (Performer sort order)                       'Tuning Circuits'
'TXXX:Acoustid Id'                                  '8f0cd01b-1fb5-437d-badf-f408fb3cb671'
'TXXX:CATALOGNUMBER'                                'No. 2/TFO PE2'
'TXXX:MusicBrainz Album Artist Id'                  '9e61f3b5-83ac-427b-9ec9-2f33c773cb9e'
'TXXX:MusicBrainz Album Id'                         '02d10b1b-26dd-48e8-bd97-559e4a6ceb35'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9e61f3b5-83ac-427b-9ec9-2f33c773cb9e'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['ebm', 'techno', 'minimal wave', 'acid techno', 'industrial techno']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.13 dB'
'TXXX:replaygain_track_peak'                        '0.881354'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4b271286-4b5d-485f-8770-3da6b995c2a3')

========================== row from database ==========================
                                              'id'  1513569
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tuning Circuits - No Compassion [1990, Totally Freaked Out Power Electronics]/Tuning Circuits - 07 - It_s in Our Brain.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  321
                                           'genre'  electronic-experimental
                                        'filesize'  9129780
                                           'mtime'  1636917169
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [1990, Totally Freaked Out Power Electronics] 07 It_s electronic experimental
                                      'tag_artist'  Tuning Circuits
                                     'tag_release'  No Compassion
                                       'tag_title'  It's in Our Brain (Harcore House version)
                                             'bpm'  127.3
                                    'search_title'  'brain':6 'harcore':7,8 'house':9 'in':4 'it':1 'its':3 'our':5 's':2 'version':10,11
                                   'search_artist'  'circuits':2 'tuning':1
                                  'search_release'  'compassion':2 'no':1
                                     'search_rest'  '1990':1,2 'electronic':11 'electronics':7,8 'experimental':12 'freaked':4 'it':9 'out':5 'power':6 's':10 'totally':3
                                    'search_combo'  '1990':16,17 'brain':6A 'circuits':13B 'compassion':15C 'electronic':26 'electronics':22,23 'experimental':27 'freaked':19 'harcore':7A,8A 'house':9A 'in':4A 'it':1A,24 'its':3A 'no':14C 'our':5A 'out':20 'power':21 's':2A,25 'totally':18 'tuning':12B 'version':10A,11A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ebm', 'techno', 'minimal wave', 'acid techno', 'industrial techno']
                                        'tag_date'  1990
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1636917169.3641171  (2021-11-14 20:12:49)
                             'size'  9129780