======================== unified (from filesystem) ========================
                                         'bitrate'  '213.074'
                                        'duration'  '167'
                                          'artist'  'Schwump'
                                     'text_people'  ''
                                         'release'  'A Light Among The Bump'
                                           'title'  'Pickle Parade'
                                           'quals'  ("['Q-HAP-3', '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['insects', 'avant garde', 'outsider']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '125.1'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Light Among The Bump'
'TBPM' (BPM (beats per minute))                     '125.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Pickle Parade'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Schwump'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['insects', 'avant garde', 'outsider']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.34 dB'
'TXXX:replaygain_track_peak'                        '0.348572'

========================== row from database ==========================
                                              'id'  855566
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/schwump bumps/18 - pickle parade.mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  167
                                           'genre'  electronic-experimental
                                        'filesize'  4456939
                                           'mtime'  1621854348
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm schwump bumps 18 pickle parade electronic experimental
                                      'tag_artist'  Schwump
                                     'tag_release'  A Light Among The Bump
                                       'tag_title'  Pickle Parade
                                             'bpm'  125.1
                                    'search_title'  'parade':2 'pickle':1
                                   'search_artist'  'schwump':1
                                  'search_release'  'a':1 'among':3 'bump':5 'light':2 'the':4
                                     'search_rest'  '18':3 'bumps':2 'electronic':6 'experimental':7 'parade':5 'pickle':4 'schwump':1
                                    'search_combo'  '18':11 'a':4C 'among':6C 'bump':8C 'bumps':10 'electronic':14 'experimental':15 'light':5C 'parade':2A,13 'pickle':1A,12 'schwump':3B,9 'the':7C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['insects', 'avant garde', 'outsider']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621854348.4012284  (2021-05-24 13:05:48)
                             'size'  4456939