======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '91'
                                          'artist'  'Me First And The Gimme Gimmes'
                                     'text_people'  ''
                                         'release'  'Are A Drag'
                                           'title'  'Tomorrow'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['punk rock', 'punk covers', 'punk', 'covers', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '138.892'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Are A Drag'
'TBPM' (BPM (beats per minute))                     '138.892'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Tomorrow'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Me First And The Gimme Gimmes'
'TRCK' (Track number/Position in set)               '10'
'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'                                   ['punk rock', 'punk covers', 'punk', 'covers', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.443235'

========================== row from database ==========================
                                              'id'  1420758
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Me First And The Gimme Gimmes - Me First and the Gimme Gimme Gimmes/Me First And the Gimme Gimmes/Are a Drag/Me First and the Gimme Gimmes - Tomorrow - 10.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  91
                                           'genre'  rock-gr-punk
                                        'filesize'  1461872
                                           'mtime'  1622659022
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner and the the and the 10 rock gr punk
                                      'tag_artist'  Me First And The Gimme Gimmes
                                     'tag_release'  Are A Drag
                                       'tag_title'  Tomorrow
                                             'bpm'  138.892
                                    'search_title'  'tomorrow':1
                                   'search_artist'  'and':3 'first':2 'gimme':5 'gimmes':6 'me':1 'the':4
                                  'search_release'  'a':2 'are':1 'drag':3
                                     'search_rest'  'and':5 'garage':2 'gr':8 'punk':1 'rock':7 'stoner':4 'surf':3 'the':6
                                    'search_combo'  'a':9C 'and':4B,15 'are':8C 'drag':10C 'first':3B 'garage':12 'gimme':6B 'gimmes':7B 'gr':18 'me':2B 'punk':11 'rock':17 'stoner':14 'surf':13 'the':5B,16 'tomorrow':1A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', '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-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'punk covers', 'punk', 'covers', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659022.4371455  (2021-06-02 20:37:02)
                             'size'  1461872