======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '288'
                                          'artist'  'Wladimir Kaminer'
                                     'text_people'  ''
                                         'release'  'Russendisko'
                                           'title'  'Doppelleben in Berlin'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hoerbuch', 'linksautonom', 'berlin', 'erzaehlung', 'humor']"
                                     'discogstags'  "['non-music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '16'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-eur-germany'
                                             'bpm'  '123'
                                             'key'  '10B'
                                        'acoustid'  'e43be1fa-86d8-4209-9427-d023cc939729'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Hoerbuch'
'TALB' (Album/Movie/Show title)                     'Russendisko'
'TBPM' (BPM (beats per minute))                     '123'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-germany'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Doppelleben in Berlin'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Wladimir Kaminer'
'TPE2' (Band/orchestra/accompaniment)               'Wladimir Kaminer'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BMG Wort'
'TRCK' (Track number/Position in set)               '10/16'
'TSO2'                                              'Kaminer, Wladimir'
'TSOP' (Performer sort order)                       'Kaminer, Wladimir'
'TSRC' (ISRC (international standard recording code))  'DEC680000498'
'TXXX:ASIN'                                         '3898301354'
'TXXX:Acoustid Id'                                  'e43be1fa-86d8-4209-9427-d023cc939729'
'TXXX:Artists'                                      'Wladimir Kaminer'
'TXXX:BARCODE'                                      '9783898301350'
'TXXX:CATALOGNUMBER'                                '74321 76869 2'
'TXXX:MusicBrainz Album Artist Id'                  '779462a4-8142-4c25-b143-c5719d6371da'
'TXXX:MusicBrainz Album Id'                         'e13add76-8f1c-417b-b333-fe04bc5ef5b2'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'other/audiobook'
'TXXX:MusicBrainz Artist Id'                        '779462a4-8142-4c25-b143-c5719d6371da'
'TXXX:MusicBrainz Release Group Id'                 '7cc9006e-8204-387f-b47b-649562ea1551'
'TXXX:MusicBrainz Release Track Id'                 'e93476e0-e372-3257-a3bd-a762cec933d5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'non-music'
'TXXX:lastfmtags'                                   ['hoerbuch', 'linksautonom', 'berlin', 'erzaehlung', 'humor']
'TXXX:originalyear'                                 '2000'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.36 dB'
'TXXX:replaygain_track_peak'                        '0.338866'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b607f83c-77ef-4ec0-86ee-37b3fc8441b4')

========================== row from database ==========================
                                              'id'  1397758
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Wladimir Kaminer/Wladimir Kaminer - Russendisko Hörbuch Hörspiel (2000) 64k (by zONK)/10_Wladimir_Kaminer_Doppelleben_in_Berlin.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  288
                                           'genre'  loc-eur-germany
                                        'filesize'  2368654
                                           'mtime'  1621629567
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Hörbuch Hörspiel (2000) 64k (by zONK) 10_Wladimir_Kaminer_Doppelleben_in_Berlin loc eur germany
                                      'tag_artist'  Wladimir Kaminer
                                     'tag_release'  Russendisko
                                       'tag_title'  Doppelleben in Berlin
                                             'bpm'  123.0
                                    'search_title'  'berlin':3 'doppelleben':1 'in':2
                                   'search_artist'  'kaminer':2 'wladimir':1
                                  'search_release'  'russendisko':1
                                     'search_rest'  '00mid':1 '10':15 '2000':8,9 '64k':10 'berlin':20 'by':11,12 'doppelleben':18 'eur':22 'europe':3 'germany':23 'horbuch':4,5 'horspiel':6,7 'in':19 'kaminer':17 'loc':21 'north':2 'onk':25,26 'wladimir':16 'z':24 'zonk':13,14
                                    'search_combo'  '00mid':7 '10':21 '2000':14,15 '64k':16 'berlin':3A,26 'by':17,18 'doppelleben':1A,24 'eur':28 'europe':9 'germany':29 'horbuch':10,11 'horspiel':12,13 'in':2A,25 'kaminer':5B,23 'loc':27 'north':8 'onk':31,32 'russendisko':6C 'wladimir':4B,22 'z':30 'zonk':19,20
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['hoerbuch', 'linksautonom', 'berlin', 'erzaehlung', 'humor']
                                        'tag_date'  2000
                                     'discogstags'  ['non-music']

============================== file details ==============================
                                           'mtime'  1621629567.4498718  (2021-05-21 22:39:27)
                             'size'  2368654