======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '136'
                                          'artist'  'Sting & Edin Karamazov'
                                     'text_people'  ''
                                         'release'  'Songs From the Labyrinth'
                                           'title'  'The Lowest Trees Have Tops'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
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 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spoken word', 'lute', 'medieval', 'dowland', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '23'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '140.433'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00\xc2\x01\x17\x00\x10\x01\x00\x00\x00\x00\x00\x00\x10\x02\x00\x00\x00\x0bC\x00\x10\x03\x00\x00\x008\xe3\x00\x10\x04\x00\x00\x00D\xc1\x00\x10\x05\x00\x00\x00\x97k\x00\x10\x06\x00\x00\x00\xc4\xfc\x00\x10\x07\x00\x00\x00\xcek\x00\x10\x08\x00\x00\x01\x03|\x00\x10\t\x00\x00\x01+k\x00\x10\n\x00\x00\x01;\xbe\x00\x10\x0b\x00\x00\x01\\#\x00\x10\x0c\x00\x00\x01cj\x00\x10\r\x00\x00\x01\x93\x1c\x00\x10\x0e\x00\x00\x01\xd5M\x00\x10\x0f\x00\x00\x02\x0c_\x00\x10\x10\x00\x00\x02\x14\xd3\x00\x10\x11\x00\x00\x02Hp\x00\x10\x12\x00\x00\x02wo\x00\x10\x13\x00\x00\x02\x80\x1c\x00\x10\x14\x00\x00\x02\xae\xa5\x00\x10\x15\x00\x00\x02\xcaZ\x00\x10\x16\x00\x00\x02\xfbv\x00\x10\x17\x00\x00\x03\rl\x00\x10\xaa\x00\x00\x03V\xae\xff\xff')
'TALB' (Album/Movie/Show title)                     'Songs From the Labyrinth'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'The Lowest Trees Have Tops'
'TKEY' (Initial key)                                '12A'
'TLEN' (Length)                                     '136306'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sting & Edin Karamazov'
'TPE2' (Band/orchestra/accompaniment)               'Sting & Edin Karamazov'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Deutsche Grammophon'
'TRCK' (Track number/Position in set)               '8/23'
'TSO2'                                              'Sting & Karamazov, Edin'
'TSOP' (Performer sort order)                       'Sting & Karamazov, Edin'
'TSRC' (ISRC (international standard recording code))  'USUM70605006'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME.EXE --alt-preset insane'
'TXXX:ASIN'                                         'B000HXDESU'
'TXXX:BARCODE'                                      '602517051119'
'TXXX:CATALOGNUMBER'                                'B0007220-02'
'TXXX:MusicBrainz Album Artist Id'                  '7944ed53-2a58-4035-9b93-140a71e41c34/a472827c-096d-423a-998c-65e9b6440e14'
'TXXX:MusicBrainz Album Id'                         'db81e6a0-8069-4378-a1cd-6598cb4c18a7'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7944ed53-2a58-4035-9b93-140a71e41c34/a472827c-096d-423a-998c-65e9b6440e14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['spoken word', 'lute', 'medieval', 'dowland', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.495800'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'05349652-77f2-49d0-9e62-00248a3fa314')

========================== row from database ==========================
                                              'id'  1349273
                                            'path'  /data/Music/Bulk/00instruments-classical/Sting & Edin Karamazov - Sting - Songs From The Labyrinth (2006)/08 - The lowest trees have tops.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  5507025
                                           'mtime'  1620561793
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical (2006) 08 lowest trees have tops prerock classical or classical instruments
                                      'tag_artist'  Sting & Edin Karamazov
                                     'tag_release'  Songs From the Labyrinth
                                       'tag_title'  The Lowest Trees Have Tops
                                             'bpm'  140.433
                                    'search_title'  'have':4 'lowest':2 'the':1 'tops':5 'trees':3
                                   'search_artist'  'edin':2 'karamazov':3 'sting':1
                                  'search_release'  'from':2 'labyrinth':4 'songs':1 'the':3
                                     'search_rest'  '00instruments':1 '2006':3,4 'classical':2 'have':7 'instruments':11 'lowest':5 'or':10 'prerock':9 'tops':8 'trees':6
                                    'search_combo'  '00instruments':13 '2006':15,16 'classical':14 'edin':7B 'from':10C 'have':4A,19 'instruments':23 'karamazov':8B 'labyrinth':12C 'lowest':2A,17 'or':22 'prerock':21 'songs':9C 'sting':6B 'the':1A,11C 'tops':5A,20 'trees':3A,18
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['spoken word', 'lute', 'medieval', 'dowland', 'classic rock']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561793.248195  (2021-05-09 14:03:13)
                             'size'  5507025