======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '110'
                                          'artist'  'Beaver & Krause'
                                     'text_people'  ''
                                         'release'  'Ragnarök'
                                           'title'  'Moogy Blues Funk'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['avant garde', 'drone', 'electronic', 'experimental', 'psychedelic']"
                                     'discogstags'  "['electronic', 'rock', 'prog rock', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '87.5'
                                             'key'  '10B'
                                        'acoustid'  '0fc9dc19-c402-4971-ad71-331b4e53438d'
rest: ''

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

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'PRIV:PeakValue:¡P\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1P\x00\x00')
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'TBPM' (BPM (beats per minute))                     '87.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1969'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Moogy Blues Funk'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Beaver & Krause'
'TPE2' (Band/orchestra/accompaniment)               'Beaver & Krause'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Limelight'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Beaver & Krause'
'TSOP' (Performer sort order)                       'Beaver & Krause'
'TXXX:Acoustid Id'                                  '0fc9dc19-c402-4971-ad71-331b4e53438d'
'TXXX:CATALOGNUMBER'                                'LS 86069'
'TXXX:MusicBrainz Album Artist Id'                  '939609cc-5fbb-4e05-a310-5929eb068d41'
'TXXX:MusicBrainz Album Id'                         'a7af4564-69cf-48b1-aab7-8162592004d5'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '939609cc-5fbb-4e05-a310-5929eb068d41'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'prog rock', 'experimental']
'TXXX:lastfmtags'                                   ['avant garde', 'drone', 'electronic', 'experimental', 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.12 dB'
'TXXX:replaygain_track_peak'                        '0.629285'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'aa84130e-5c8a-4b8a-a27f-ce96b7a0d6a7')

========================== row from database ==========================
                                              'id'  761456
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Beaver & Krause/[1968] Ragnarök/06. Moogy Blues Funk.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  110
                                           'genre'  electronic-experimental
                                        'filesize'  1769006
                                           'mtime'  1622801665
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [1968] 06. electronic experimental
                                      'tag_artist'  Beaver & Krause
                                     'tag_release'  Ragnarök
                                       'tag_title'  Moogy Blues Funk
                                             'bpm'  87.5
                                    'search_title'  'blues':2 'funk':3 'moogy':1
                                   'search_artist'  'beaver':1 'krause':2
                                  'search_release'  'ragnarok':1,2
                                     'search_rest'  '06':3,4 '1968':1,2 'electronic':5 'experimental':6
                                    'search_combo'  '06':10,11 '1968':8,9 'beaver':4B 'blues':2A 'electronic':12 'experimental':13 'funk':3A 'krause':5B 'moogy':1A 'ragnarok':6C,7C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['avant garde', 'drone', 'electronic', 'experimental', 'psychedelic']
                                        'tag_date'  1969
                                     'discogstags'  ['electronic', 'rock', 'prog rock', 'experimental']

============================== file details ==============================
                                           'mtime'  1622801665.1797934  (2021-06-04 12:14:25)
                             'size'  1769006