======================== unified (from filesystem) ========================
                                         'bitrate'  '161.455'
                                        'duration'  '148'
                                          'artist'  'The Tornadoes'
                                     'text_people'  ''
                                         'release'  'Pulp Fiction'
                                           'title'  "Bustin' Surfboards"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'instrumental', 'classic rock', 'surf rock', 'rock']"
                                     'discogstags'  "['surf', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '138.229'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pulp Fiction'
'TBPM' (BPM (beats per minute))                     '138.229'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         "Bustin' Surfboards"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Tornadoes'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['surf', 'rock']
'TXXX:lastfmtags'                                   ['surf', 'instrumental', 'classic rock', 'surf rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.502374'

========================== row from database ==========================
                                              'id'  1518521
                                            'path'  /data/Music/Bulk/0soundtrack/Pulp Fiction/05 The Tornadoes - Bustin_ Surfboards.mp3
                                         'working'  None
                                         'bitrate'  161
                                    'duration_sec'  148
                                           'genre'  soundtrack-video
                                        'filesize'  3005309
                                           'mtime'  1620334138
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 05 Bustin_ soundtrack video
                                      'tag_artist'  The Tornadoes
                                     'tag_release'  Pulp Fiction
                                       'tag_title'  Bustin' Surfboards
                                             'bpm'  138.229
                                    'search_title'  'bustin':1,2 'surfboards':3
                                   'search_artist'  'the':1 'tornadoes':2
                                  'search_release'  'fiction':2 'pulp':1
                                     'search_rest'  '0soundtrack':1 'bustin':2 'soundtrack':3 'video':4
                                    'search_combo'  '0soundtrack':8 'bustin':1A,2A,9 'fiction':7C 'pulp':6C 'soundtrack':10 'surfboards':3A 'the':4B 'tornadoes':5B 'video':11
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'instrumental', 'classic rock', 'surf rock', 'rock']
                                        'tag_date'  1994
                                     'discogstags'  ['surf', 'rock']

============================== file details ==============================
                                           'mtime'  1620334138.0749485  (2021-05-06 22:48:58)
                             'size'  3005309