======================== unified (from filesystem) ========================
                                         'bitrate'  '190.198'
                                        'duration'  '327'
                                          'artist'  'Wladimir Kaminer'
                                     'text_people'  ''
                                         'release'  'Es gab keinen Sex im Sozialismus'
                                           'title'  'Unbekannte fliegende Objekte'
                                           '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'  '2'
                                      'tracktotal'  '7'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-eur-germany'
                                             'bpm'  '137.571'
                                             'key'  '12A'
                                        'acoustid'  '06eb488e-6068-4bb8-b443-2cdb84a88ed5'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Es gab keinen Sex im Sozialismus'
'TBPM' (BPM (beats per minute))                     '137.571'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-germany'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-02-09'
'TIT2' (Title/songname/content description)         'Unbekannte fliegende Objekte'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Wladimir Kaminer'
'TPE2' (Band/orchestra/accompaniment)               'Wladimir Kaminer'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Random House Audio'
'TRCK' (Track number/Position in set)               '2/7'
'TSO2'                                              'Kaminer, Wladimir'
'TSOP' (Performer sort order)                       'Kaminer, Wladimir'
'TXXX:ASIN'                                         '3837100278'
'TXXX:Acoustid Id'                                  '06eb488e-6068-4bb8-b443-2cdb84a88ed5'
'TXXX:Artists'                                      'Wladimir Kaminer'
'TXXX:BARCODE'                                      '9783837100273'
'TXXX:Mp3gain_minmax'                               '137,186'
'TXXX:Mp3gain_undo'                                 '+007,+007,N'
'TXXX:MusicBrainz Album Artist Id'                  '779462a4-8142-4c25-b143-c5719d6371da'
'TXXX:MusicBrainz Album Id'                         '3f2a97b7-b08f-4345-8dfe-35f2b5f2b607'
'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'                 '6af38e16-4b33-3300-b5c2-1a5674e6ae69'
'TXXX:MusicBrainz Release Track Id'                 'd8128d28-0838-3329-8cc2-3d21217aa3db'
'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'                                 '2009'
'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'                        '+1.99 dB'
'TXXX:replaygain_track_peak'                        '0.428161'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8a2590ae-b839-4ce1-b060-cb6222f4159e')

========================== row from database ==========================
                                              'id'  1398827
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Wladimir Kaminer/wladimir kaminer - es gab keinen sex im sozialismus/02 unbekannte fliegende objekte.mp3
                                         'working'  None
                                         'bitrate'  190
                                    'duration_sec'  327
                                           'genre'  loc-eur-germany
                                        'filesize'  7834973
                                           'mtime'  1621629573
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe wladimir kaminer es sex sozialismus 02 unbekannte objekte loc eur germany
                                      'tag_artist'  Wladimir Kaminer
                                     'tag_release'  Es gab keinen Sex im Sozialismus
                                       'tag_title'  Unbekannte fliegende Objekte
                                             'bpm'  137.571
                                    'search_title'  'fliegende':2 'objekte':3 'unbekannte':1
                                   'search_artist'  'kaminer':2 'wladimir':1
                                  'search_release'  'es':1 'gab':2 'im':5 'keinen':3 'sex':4 'sozialismus':6
                                     'search_rest'  '00mid':1 'es':6 'eur':12 'europe':3 'germany':13 'kaminer':5 'loc':11 'north':2 'objekte':10 'sex':7 'sozialismus':8 'unbekannte':9 'wladimir':4
                                    'search_combo'  '00mid':12 'es':6C,17 'eur':23 'europe':14 'fliegende':2A 'gab':7C 'germany':24 'im':10C 'kaminer':5B,16 'keinen':8C 'loc':22 'north':13 'objekte':3A,21 'sex':9C,18 'sozialismus':11C,19 'unbekannte':1A,20 'wladimir':4B,15
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12A
                                           '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'  2009
                                     'discogstags'  ['non-music']

============================== file details ==============================
                                           'mtime'  1621629573.025723  (2021-05-21 22:39:33)
                             'size'  7834973