======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '328'
                                          'artist'  'Ton Steine Scherben'
                                     'text_people'  ''
                                         'release'  'IV'
                                           'title'  '(Auf ein) Happy-End'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'Q-CHART-2', 'Q-MIXBEAT-2', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', "
 "'Q-PLAY-3', 'q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '11'
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '125.0'
                                             'key'  '9B'
                                        'acoustid'  'bf069660-0d49-46c3-8505-d74b6d507cdc'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         'CD 2'
'COMM:ID3v1 Comment:eng'                            'CD 2'
'COMM:XXX:eng'                                      'CD 2'
'TALB' (Album/Movie/Show title)                     'IV'
'TBPM' (BPM (beats per minute))                     '125.0'
'TDOR' (Original release time)                      '1981'
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         '(Auf ein) Happy-End'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Ton Steine Scherben'
'TPE2' (Band/orchestra/accompaniment)               'Ton Steine Scherben'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'David Volksmund Produktion'
'TRCK' (Track number/Position in set)               '11/11'
'TSO2'                                              'Ton Steine Scherben'
'TSOP' (Performer sort order)                       'Ton Steine Scherben'
'TXXX:ARTISTS'                                      'Ton Steine Scherben'
'TXXX:Acoustid Id'                                  'bf069660-0d49-46c3-8505-d74b6d507cdc'
'TXXX:CATALOGNUMBER'                                '001'
'TXXX:MusicBrainz Album Artist Id'                  '6b49bc68-353e-44a3-ba64-3ba4d30b1beb'
'TXXX:MusicBrainz Album Id'                         '12b2e309-ad5b-4ce2-a361-04c918a44346'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6b49bc68-353e-44a3-ba64-3ba4d30b1beb'
'TXXX:MusicBrainz Release Group Id'                 'f6534343-8c6e-3fa4-86b8-87394b3b92f3'
'TXXX:MusicBrainz Release Track Id'                 'e484960b-1804-4434-8731-a5ed0590a7d0'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1981'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.91 dB'
'TXXX:replaygain_track_peak'                        '0.796596'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd977d774-e4c9-4268-a441-a5a11389158c')

========================== row from database ==========================
                                              'id'  1536988
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/CD 2/11 - Ton Steine Scherben - (Auf ein) Happy-End.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  328
                                           'genre'  
                                        'filesize'  7921373
                                           'mtime'  1695907187
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy CD 2 11
                                      'tag_artist'  Ton Steine Scherben
                                     'tag_release'  IV
                                       'tag_title'  (Auf ein) Happy-End
                                             'bpm'  125.0
                                    'search_title'  'auf':1,2 'ein':3,4 'end':6 'happy':5 'happyend':7
                                   'search_artist'  'scherben':3 'steine':2 'ton':1
                                  'search_release'  'iv':1
                                     'search_rest'  '2':3 'cd':2 'classicprogpsy':1
                                    'search_combo'  '2':14 'auf':1A,2A 'cd':13 'classicprogpsy':12 'ein':3A,4A 'end':6A 'happy':5A 'happyend':7A 'iv':11C 'scherben':10B 'steine':9B 'ton':8B
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-OLDST-3', 'Q-CHART-2', 'Q-MIXBEAT-2', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1695907186.9524164  (2023-09-28 15:19:46)
                             'size'  7921373