======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '319'
                                          'artist'  'kreidler'
                                     'text_people'  ''
                                         'release'  'appearance in the park'
                                           'title'  'coldness (a2 shantel remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', '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-1']")
                                      'lastfmtags'  "['electronica', 'krautrock', 'german', 'electronic', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '133.8'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'appearance in the park'
'TBPM' (BPM (beats per minute))                     '133.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'coldness (a2 shantel remix)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'kreidler'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'krautrock', 'german', 'electronic', 'post rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.58 dB'
'TXXX:replaygain_track_peak'                        '0.876930'

========================== row from database ==========================
                                              'id'  1291680
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kreidler/Appearance and the Park/Kreidler - Coldness (A2 Shantel Remix) - 13.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  319
                                           'genre'  rock-post
                                        'filesize'  5108281
                                           'mtime'  1642081460
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Kreidler Appearance and Park Kreidler Coldness (A2 Shantel Remix) 13 rock post
                                      'tag_artist'  kreidler
                                     'tag_release'  appearance in the park
                                       'tag_title'  coldness (a2 shantel remix)
                                             'bpm'  133.8
                                    'search_title'  'a2':2,3 'coldness':1 'remix':5,6 'shantel':4
                                   'search_artist'  'kreidler':1
                                  'search_release'  'appearance':1 'in':2 'park':4 'the':3
                                     'search_rest'  '00poprockelectronic':1 'a2':7,8 'and':4 'appearance':3 'coldness':6 'kreidler':2 'park':5 'post':13 'remix':10,11 'rock':12 'shantel':9
                                    'search_combo'  '00poprockelectronic':12 'a2':2A,3A,18,19 'and':15 'appearance':8C,14 'coldness':1A,17 'in':9C 'kreidler':7B,13 'park':11C,16 'post':24 'remix':5A,6A,21,22 'rock':23 'shantel':4A,20 'the':10C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'q-syn-2', '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-1']
                                      'lastfmtags'  ['electronica', 'krautrock', 'german', 'electronic', 'post rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081460.3820746  (2022-01-13 14:44:20)
                             'size'  5108281