======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '187'
                                          'artist'  'Milton Mapes'
                                     'text_people'  ''
                                         'release'  'Stubbs the Zombie'
                                           'title'  'Lonesome Town'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-chart-2', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['indie rock', 'indie', 'americana', 'rock', 'bawl bag saturday sadness']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '139.948'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stubbs the Zombie'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Lonesome Town'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Milton Mapes'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie rock', 'indie', 'americana', 'rock', 'bawl bag saturday sadness']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.372125'

========================== row from database ==========================
                                              'id'  258132
                                            'path'  /data/Music/Bulk/0soundtrack/Stubbs The Zombie - The Soundtrack/Various Artists - Stubbs the Zombie - 12 - Milton Mapes - Lonesome Town.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  187
                                           'genre'  soundtrack-video
                                        'filesize'  4505473
                                           'mtime'  1620334240
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack The The Soundtrack Various Artists 12 soundtrack video
                                      'tag_artist'  Milton Mapes
                                     'tag_release'  Stubbs the Zombie
                                       'tag_title'  Lonesome Town
                                             'bpm'  139.948
                                    'search_title'  'lonesome':1 'town':2
                                   'search_artist'  'mapes':2 'milton':1
                                  'search_release'  'stubbs':1 'the':2 'zombie':3
                                     'search_rest'  '0soundtrack':1 'artists':5 'soundtrack':3 'the':2 'various':4 'video':6
                                    'search_combo'  '0soundtrack':8 'artists':12 'lonesome':1A 'mapes':4B 'milton':3B 'soundtrack':10 'stubbs':5C 'the':6C,9 'town':2A 'various':11 'video':13 'zombie':7C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'americana', 'rock', 'bawl bag saturday sadness']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620334239.712584  (2021-05-06 22:50:39)
                             'size'  4505473