======================== unified (from filesystem) ========================
                                         'bitrate'  '220.335'
                                        'duration'  '272'
                                          'artist'  'Voltaire'
                                     'text_people'  ''
                                         'release'  'Ooky Spooky'
                                           'title'  'Stuck With You'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dark cabaret', 'alternative', 'gothic', 'folk', 'darkwave']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'entertaining-songwriters'
                                             'bpm'  '86.845'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Lbl:Projekt C:PROJEKT201'
'TALB' (Album/Movie/Show title)                     'Ooky Spooky'
'TBPM' (BPM (beats per minute))                     '86.845'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-songwriters'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Stuck With You'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Voltaire'
'TRCK' (Track number/Position in set)               '8'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['dark cabaret', 'alternative', 'gothic', 'folk', 'darkwave']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.366558'

========================== row from database ==========================
                                              'id'  1297147
                                            'path'  /data/Music/Bulk/00spent/Voltaire/Ooky Spooky/08 Stuck With You.mp3
                                         'working'  None
                                         'bitrate'  220
                                    'duration_sec'  272
                                           'genre'  entertaining-songwriters
                                        'filesize'  7512085
                                           'mtime'  1621695895
                                   'redo_metaread'  0
                                        'rest_str'   00spent 08 entertaining songwriters
                                      'tag_artist'  Voltaire
                                     'tag_release'  Ooky Spooky
                                       'tag_title'  Stuck With You
                                             'bpm'  86.845
                                    'search_title'  'stuck':1 'with':2 'you':3
                                   'search_artist'  'voltaire':1
                                  'search_release'  'ooky':1 'spooky':2
                                     'search_rest'  '00spent':1 'entertaining':2 'songwriters':3
                                    'search_combo'  '00spent':7 'entertaining':8 'ooky':5C 'songwriters':9 'spooky':6C 'stuck':1A 'voltaire':4B 'with':2A 'you':3A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dark cabaret', 'alternative', 'gothic', 'folk', 'darkwave']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621695895.4957387  (2021-05-22 17:04:55)
                             'size'  7512085