======================== unified (from filesystem) ========================
                                         'bitrate'  '320.541'
                                        'duration'  '380'
                                          'artist'  'Lamp of the Universe'
                                     'text_people'  ''
                                         'release'  'Acid Mantra'
                                           'title'  'Searching for a Sign'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['psychedelic folk', 'acid folk', 'space rock', 'psychedelic rock', "
 "'psychedelic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '7'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '135.910'
                                             'key'  '5A'
                                        'acoustid'  'a951e938-455f-4e9b-9539-4bd45f963a18'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00B\x01\x07\x00\x12\x01\x00\x00\x00\x00\x96\x00\x12\x02\x00\x00\x00fm\x00\x12\x03\x00\x00\x00\xd5\xcd\x00\x12\x04\x00\x00\x01{I\x00\x12\x05\x00\x00\x02\x04\x19\x00\x12\x06\x00\x00\x02\x9e\xbf\x00\x12\x07\x00\x00\x02\xea\xb6\x00\x12\x08\x00\x00\x03\xaf^')
'TALB' (Album/Movie/Show title)                     'Acid Mantra'
'TBPM' (BPM (beats per minute))                     '135.910'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-04-07'
'TIT2' (Title/songname/content description)         'Searching for a Sign'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lamp of the Universe'
'TPE2' (Band/orchestra/accompaniment)               'Lamp of the Universe'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/7'
'TSO2'                                              'Lamp of the Universe'
'TSOP' (Performer sort order)                       'Lamp of the Universe'
'TXXX:Acoustid Id'                                  'a951e938-455f-4e9b-9539-4bd45f963a18'
'TXXX:MusicBrainz Album Artist Id'                  'f9f68a08-848f-41b0-be68-73d1658074cd'
'TXXX:MusicBrainz Album Id'                         'b6f1da08-f1c7-4e75-baf0-3dd930eec978'
'TXXX:MusicBrainz Album Release Country'            'NZ'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f9f68a08-848f-41b0-be68-73d1658074cd'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['psychedelic folk',
 'acid folk',
 'space rock',
 'psychedelic rock',
 'psychedelic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.508679'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'949b3782-ea8a-405a-bcd4-7df7ab3ee456')
'UFID:ÿþn'                                          UFID(owner='ÿþn', data=b'o\x00c\x00o\x00n\x00t\x00a\x00c\x00t\x00@\x00n\x00o\x00d\x00o\x00m\x00a\x00i\x00n\x00.\x00c\x00o\x00m\x00\x00\x000\x003\x00/\x002\x006\x00/\x002\x000\x000\x009\x00 \x001\x009\x00:\x002\x003\x00')

========================== row from database ==========================
                                              'id'  1415903
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Lamp of the Universe - (2009) Acid Mantra/02. Searching for a Sign.mp3
                                         'working'  None
                                         'bitrate'  321
                                    'duration_sec'  380
                                           'genre'  rock-cppex
                                        'filesize'  15394032
                                           'mtime'  1674646366
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (2009) 02. rock cppex
                                      'tag_artist'  Lamp of the Universe
                                     'tag_release'  Acid Mantra
                                       'tag_title'  Searching for a Sign
                                             'bpm'  135.91
                                    'search_title'  'a':3 'for':2 'searching':1 'sign':4
                                   'search_artist'  'lamp':1 'of':2 'the':3 'universe':4
                                  'search_release'  'acid':1 'mantra':2
                                     'search_rest'  '02':4,5 '2009':2,3 'classicprogpsy':1 'cppex':7 'rock':6
                                    'search_combo'  '02':14,15 '2009':12,13 'a':3A 'acid':9C 'classicprogpsy':11 'cppex':17 'for':2A 'lamp':5B 'mantra':10C 'of':6B 'rock':16 'searching':1A 'sign':4A 'the':7B 'universe':8B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['psychedelic folk', 'acid folk', 'space rock', 'psychedelic rock', 'psychedelic']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646366.3700886  (2023-01-25 12:32:46)
                             'size'  15394032