======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '168'
                                          'artist'  'The Aquabats!'
                                     'text_people'  ''
                                         'release'  'The Aquabats! vs. The Floating'
                                           'title'  'Anti-Matter!'
                                           '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-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'ska punk', 'punk', 'fun', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '140.725'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Aquabats! vs. The Floating'
'TBPM' (BPM (beats per minute))                     '140.725'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Anti-Matter!'
'TKEY' (Initial key)                                '12B'
'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'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.450948'

========================== row from database ==========================
                                              'id'  1344304
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Aquabats/Aquabats  Vs. The Floating Eye Of Death!/The Aquabats! vs. The Floating Eye of Death!-03-Anti-Matter!.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  168
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  3362642
                                           'mtime'  1621695998
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Vs. Eye Of Death! Eye of Death! 03 rock gr punk ska
                                      'tag_artist'  The Aquabats!
                                     'tag_release'  The Aquabats! vs. The Floating
                                       'tag_title'  Anti-Matter!
                                             'bpm'  140.725
                                    'search_title'  'anti':1 'antimatter':3 'matter':2
                                   'search_artist'  'aquabats':2 'the':1
                                  'search_release'  'aquabats':2 'floating':5 'the':1 'vs':3,4
                                     'search_rest'  '00poprockelectronic':1 'death':6 'eye':4 'gr':8 'of':5 'punk':9 'rock':7 'ska':10 'vs':2,3
                                    'search_combo'  '00poprockelectronic':11 'anti':1A 'antimatter':3A 'aquabats':5B,7C 'death':16 'eye':14 'floating':10C 'gr':18 'matter':2A 'of':15 'punk':19 'rock':17 'ska':20 'the':4B,6C 'vs':8C,9C,12,13
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['ska', 'ska punk', 'punk', 'fun', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695997.74507  (2021-05-22 17:06:37)
                             'size'  3362642