======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '705'
                                          'artist'  'Mathias Grassow'
                                     'text_people'  ''
                                         'release'  'Himaval'
                                           'title'  'Mondseele'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['drone', 'meditative', 'ambient', 'dark ambient', 'electronic', 'drone "
 "ambient']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '132.8'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Himaval'
'TBPM' (BPM (beats per minute))                     '132.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Mondseele'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mathias Grassow'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['drone',
 'meditative',
 'ambient',
 'dark ambient',
 'electronic',
 'drone ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.29 dB'
'TXXX:replaygain_track_peak'                        '0.973264'

========================== row from database ==========================
                                              'id'  986051
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic ambient/Mathias Grassow-Mondseele.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  705
                                           'genre'  electronic-ambient
                                        'filesize'  11290502
                                           'mtime'  1636910366
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Epitonic ambient electronic ambient
                                      'tag_artist'  Mathias Grassow
                                     'tag_release'  Himaval
                                       'tag_title'  Mondseele
                                             'bpm'  132.8
                                    'search_title'  'mondseele':1
                                   'search_artist'  'grassow':2 'mathias':1
                                  'search_release'  'himaval':1
                                     'search_rest'  'ambient':2 'electronic':3 'epitonic':1
                                    'search_combo'  'ambient':6 'electronic':7 'epitonic':5 'grassow':3B 'himaval':4C 'mathias':2B 'mondseele':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['drone', 'meditative', 'ambient', 'dark ambient', 'electronic', 'drone ambient']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910365.5587032  (2021-11-14 18:19:25)
                             'size'  11290502