======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '131'
                                          'artist'  'The Aquabats!'
                                     'text_people'  ''
                                         'release'  'The Return of the Aquabats'
                                           'title'  'Ska Robot Army!'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'ska punk', 'punk', 'fun', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '112.383'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Return of the Aquabats'
'TBPM' (BPM (beats per minute))                     '112.383'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Ska Robot Army!'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Aquabats!'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['ska', 'ska punk', 'punk', 'fun', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.994802'

========================== row from database ==========================
                                              'id'  1323526
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Aquabats/The Return Of The Aquabats/The Return of the Aquabats-03-Ska Robot Army!.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  131
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  2108867
                                           'mtime'  1621696009
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of 03 rock gr punk ska
                                      'tag_artist'  The Aquabats!
                                     'tag_release'  The Return of the Aquabats
                                       'tag_title'  Ska Robot Army!
                                             'bpm'  112.383
                                    'search_title'  'army':3 'robot':2 'ska':1
                                   'search_artist'  'aquabats':2 'the':1
                                  'search_release'  'aquabats':4 'of':3 'return':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'gr':4 'of':2 'punk':5 'rock':3 'ska':6
                                    'search_combo'  '00poprockelectronic':10 'aquabats':5B,9C 'army':3A 'gr':13 'of':8C,11 'punk':14 'return':7C 'robot':2A 'rock':12 'ska':1A,15 'the':4B,6C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['ska', 'ska punk', 'punk', 'fun', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696008.5304515  (2021-05-22 17:06:48)
                             'size'  2108867