======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '215'
                                          'artist'  'O.S.T.'
                                     'text_people'  ''
                                         'release'  'Absolute Giganten'
                                           'title'  'The Notwist - Moron (Twisted By Funkstörung)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['ambient', 'electronic', 'experimental', 'noise', 'abstract']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'soundtrack-unsorted;mi-guitar'
                                             'bpm'  '101.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Absolute Giganten'
'TBPM' (BPM (beats per minute))                     '101.5'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-unsorted', 'mi-guitar']
'TDRC' (Recording time)                             '2010'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'The Notwist - Moron (Twisted By Funkstörung)'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '(CD/DD)'
'TPE1' (Lead performer(s)/Soloist(s))               'O.S.T.'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['ambient', 'electronic', 'experimental', 'noise', 'abstract']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.578546'

========================== row from database ==========================
                                              'id'  768729
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Elektronikzeugs/the notwist - moron.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  215
                                           'genre'  soundtrack-unsorted;mi-guitar
                                        'filesize'  3447112
                                           'mtime'  1620331681
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Elektronikzeugs the notwist moron soundtrack unsorted;mi guitar
                                      'tag_artist'  O.S.T.
                                     'tag_release'  Absolute Giganten
                                       'tag_title'  The Notwist - Moron (Twisted By Funkstörung)
                                             'bpm'  101.5
                                    'search_title'  'by':6 'funkstorung':7,8,9,10 'moron':3 'notwist':2 'the':1 'twisted':4,5
                                   'search_artist'  'o':1 'ost':4 's':2 't':3
                                  'search_release'  'absolute':1 'giganten':2
                                     'search_rest'  'elektronikzeugs':1 'guitar':10 'mi':7,9 'moron':4 'notwist':3 'soundtrack':5 'the':2 'unsorted':6,8
                                    'search_combo'  'absolute':15C 'by':6A 'elektronikzeugs':17 'funkstorung':7A,8A,9A,10A 'giganten':16C 'guitar':26 'mi':23,25 'moron':3A,20 'notwist':2A,19 'o':11B 'ost':14B 's':12B 'soundtrack':21 't':13B 'the':1A,18 'twisted':4A,5A 'unsorted':22,24
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'electronic', 'experimental', 'noise', 'abstract']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620331680.7390842  (2021-05-06 22:08:00)
                             'size'  3447112