======================== unified (from filesystem) ========================
                                         'bitrate'  '191.975'
                                        'duration'  '197'
                                          'artist'  'Sylver'
                                     'text_people'  ''
                                         'release'  'DAMN! Top 100 (disc 1)'
                                           'title'  'Love Is an Angel'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'trance', 'female vocalists', 'electronic', 'vocal trance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '25'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '139.178'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'DAMN! Top 100 (disc 1)'
'TBPM' (BPM (beats per minute))                     '139.178'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Love Is an Angel'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sylver'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13/25'
'TSOP' (Performer sort order)                       'Sylver'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e3c0ef7d-ae1a-424b-8b79-9169700bf18f'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'b910d27d-dc4f-4f2e-9a10-43057eb96a5a'
'TXXX:MusicIP PUID'                                 '8e81f0c6-7b1f-22e2-4b26-111adddd3af0'
'TXXX:MusicMagic Data'                              'AgEAXU4JlfqW/PI1iI8qiUaLgAGBCoVsvQGSzk0gk24SloABgvO84LFm0ODimL9kg9CAAfryhtEMq/engAHLpev2FgSnXdPvmSWAAZZEl3C+P4QyHQJFn8+pgiKEmMTGlp5SMrSWBMmMp4K0wpq0TdSU7XXaMYPtgSb5LYfDBzX7QIEM0N/mHw2Wq3bYEdZZgT4='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'female vocalists', 'electronic', 'vocal trance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.548033'

========================== row from database ==========================
                                              'id'  1325979
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/013. Sylver - Love Is An Angel.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  197
                                           'genre'  electronic-th-trance
                                        'filesize'  4755978
                                           'mtime'  1621696824
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc 013. electronic th trance
                                      'tag_artist'  Sylver
                                     'tag_release'  DAMN! Top 100 (disc 1)
                                       'tag_title'  Love Is an Angel
                                             'bpm'  139.178
                                    'search_title'  'an':3 'angel':4 'is':2 'love':1
                                   'search_artist'  'sylver':1
                                  'search_release'  '1':6,7 '100':3 'damn':1 'disc':4,5 'top':2
                                     'search_rest'  '00poprockelectronic':1 '013':13,14 'best':9 'club':7,8 'dance':5,6 'electronic':15 'etc':12 'of':10,11 'th':16 'top':3,4 'trance':17 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '013':25,26 '1':11C,12C '100':8C 'an':3A 'angel':4A 'best':21 'club':19,20 'damn':6C 'dance':17,18 'disc':9C,10C 'electronic':27 'etc':24 'is':2A 'love':1A 'of':22,23 'sylver':5B 'th':28 'top':7C,15,16 'trance':29 'unsorted':14
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'female vocalists', 'electronic', 'vocal trance']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696823.6564362  (2021-05-22 17:20:23)
                             'size'  4755978