======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '3585'
                                          'artist'  'Tonsystem Klangkunst'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'LIVE! @ 2nd Stage / SONNE MOND STERNE 2007'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['electronic music', 'techno', 'minimal', 'live', 'experimental']"
                                     'discogstags'  "['electronic', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '128.089'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x11\x0f\x00\x00'                PRIV(owner='AverageLevel', data=b'\x11\x0f\x00\x00')
'PRIV:PeakValue:ÄZ\x00\x00'                         PRIV(owner='PeakValue', data=b'\xc4Z\x00\x00')
'TBPM' (BPM (beats per minute))                     '128.089'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'LIVE! @ 2nd Stage / SONNE MOND STERNE 2007'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tonsystem Klangkunst'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'tech house']
'TXXX:lastfmtags'                                   ['electronic music', 'techno', 'minimal', 'live', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.843316'

========================== row from database ==========================
                                              'id'  1336686
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Tonsystem Klangkunst - extrawelt/Extrawelt_-_Live_@_SMS-(SonneMondSterne)-11.08.2007.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  3585
                                           'genre'  electronic-th-techno
                                        'filesize'  57362483
                                           'mtime'  1620564319
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats extrawelt Extrawelt_ _Live_@_SMS (SonneMondSterne) 11.08.2007 electronic th techno
                                      'tag_artist'  Tonsystem Klangkunst
                                     'tag_release'  None
                                       'tag_title'  LIVE! @ 2nd Stage / SONNE MOND STERNE 2007
                                             'bpm'  128.089
                                    'search_title'  '2007':7 '2nd':2 'live':1 'mond':5 'sonne':4 'stage':3 'sterne':6
                                   'search_artist'  'klangkunst':2 'tonsystem':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '08':13 '11':12 '11082007':15 '2007':14 'beats':5 'electronic':16 'extrawelt':6,7 'harder':4 'house':3 'live':8 'mond':21 'sms':9 'sonne':19,20 'sonnemondsterne':10,11 'sterne':22,23 'techno':18 'th':17
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 '08':22 '11':21 '11082007':24 '2007':7A,23 '2nd':2A 'beats':14 'electronic':25 'extrawelt':15,16 'harder':13 'house':12 'klangkunst':9B 'live':1A,17 'mond':5A,30 'sms':18 'sonne':4A,28,29 'sonnemondsterne':19,20 'stage':3A 'sterne':6A,31,32 'techno':27 'th':26 'tonsystem':8B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic music', 'techno', 'minimal', 'live', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'tech house']

============================== file details ==============================
                                           'mtime'  1620564318.852417  (2021-05-09 14:45:18)
                             'size'  57362483