======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '53'
                                          'artist'  'Felix Kubin'
                                     'text_people'  ''
                                         'release'  'Filmmusik'
                                           'title'  'Auf dem Friedhof'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'avant garde', 'electro', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '115.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Filmmusik'
'TBPM' (BPM (beats per minute))                     '115.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2013'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'Auf dem Friedhof'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '(CD/DD)'
'TPE1' (Lead performer(s)/Soloist(s))               'Felix Kubin'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['electronica', 'avant garde', 'electro', 'electronic', 'experimental']
'TXXX:original release date'                        ['1998', '2013']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.502805'

========================== row from database ==========================
                                              'id'  1292666
                                            'path'  /data/Music/Bulk/00poprockelectronic/Felix Kubin/felix kubin - Auf Dem Friedhof.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  53
                                           'genre'  electronic-experimental
                                        'filesize'  1069265
                                           'mtime'  1636917457
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic felix kubin Dem electronic experimental
                                      'tag_artist'  Felix Kubin
                                     'tag_release'  Filmmusik
                                       'tag_title'  Auf dem Friedhof
                                             'bpm'  115.1
                                    'search_title'  'auf':1 'dem':2 'friedhof':3
                                   'search_artist'  'felix':1 'kubin':2
                                  'search_release'  'filmmusik':1
                                     'search_rest'  '00poprockelectronic':1 'dem':4 'electronic':5 'experimental':6 'felix':2 'kubin':3
                                    'search_combo'  '00poprockelectronic':7 'auf':1A 'dem':2A,10 'electronic':11 'experimental':12 'felix':4B,8 'filmmusik':6C 'friedhof':3A 'kubin':5B,9
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'avant garde', 'electro', 'electronic', 'experimental']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1636917456.7003317  (2021-11-14 20:17:36)
                             'size'  1069265