======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '85'
                                          'artist'  'The Presidents of the United States of America'
                                     'text_people'  ''
                                         'release'  'The Presidents of the United S'
                                           'title'  'Kick Out The Jams'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '114.479'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Presidents of the United S'
'TBPM' (BPM (beats per minute))                     '114.479'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Kick Out The Jams'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Presidents of the United States of America'
'TRCK' (Track number/Position in set)               '9'
'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'                                   ['alternative rock', 'indie', 'alternative', 'punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.411097'

========================== row from database ==========================
                                              'id'  1420067
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Presidents of the United States of America/MBZ;#The Presidents of the United States of America;#The Presidents of the United States of America;#09;#Kick Out the Jams.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  85
                                           'genre'  rock-gr-punk
                                        'filesize'  1378949
                                           'mtime'  1622659188
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner MBZ;#The America;#The America;#09;#Kick rock gr punk
                                      'tag_artist'  The Presidents of the United States of America
                                     'tag_release'  The Presidents of the United S
                                       'tag_title'  Kick Out The Jams
                                             'bpm'  114.479
                                    'search_title'  'jams':4 'kick':1 'out':2 'the':3
                                   'search_artist'  'america':6 'of':3 'presidents':2 'states':5 'the':1 'united':4
                                  'search_release'  'of':3 'presidents':2 's':5 'the':1 'united':4
                                     'search_rest'  '09':14,17 'america':9,11,13,16 'garage':2 'gr':20 'kick':15,18 'mbz':5,7 'punk':1 'rock':19 'stoner':4 'surf':3 'the':6,8,10,12
                                    'search_combo'  '09':29,32 'america':10B,24,26,28,31 'garage':17 'gr':35 'jams':4A 'kick':1A,30,33 'mbz':20,22 'of':7B,13C 'out':2A 'presidents':6B,12C 'punk':16 'rock':34 's':15C 'states':9B 'stoner':19 'surf':18 'the':3A,5B,11C,21,23,25,27 'united':8B,14C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'punk', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659188.11051  (2021-06-02 20:39:48)
                             'size'  1378949