======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '266'
                                          'artist'  'Clare Fader & the Vaudevillains'
                                     'text_people'  ''
                                         'release'  'Live at Reynolda House'
                                           'title'  'Libertango'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'jazz', 'cabaret', 'dark cabaret', 'retro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '134.021'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live at Reynolda House'
'TBPM' (BPM (beats per minute))                     '134.021'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TIT2' (Title/songname/content description)         'Libertango'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Clare Fader & the Vaudevillains'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', 'jazz', 'cabaret', 'dark cabaret', 'retro']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.737468'

========================== row from database ==========================
                                              'id'  1335086
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Clare Fader & The Vaudevillains - Libertango.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  266
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  3200896
                                           'mtime'  1620541227
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] The prerock jb jazz vocal
                                      'tag_artist'  Clare Fader & the Vaudevillains
                                     'tag_release'  Live at Reynolda House
                                       'tag_title'  Libertango
                                             'bpm'  134.021
                                    'search_title'  'libertango':1
                                   'search_artist'  'clare':1 'fader':2 'the':3 'vaudevillains':4
                                  'search_release'  'at':2 'house':4 'live':1 'reynolda':3
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'jazz':10 'jb':9 'loose':3,4 'prerock':8 'the':7 'unsorted':2 'vocal':11
                                    'search_combo'  '00poprockelectronic':10 'at':7C 'clare':2B 'fader':3B 'files':14,15 'house':9C 'jazz':19 'jb':18 'libertango':1A 'live':6C 'loose':12,13 'prerock':17 'reynolda':8C 'the':4B,16 'unsorted':11 'vaudevillains':5B 'vocal':20
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'jazz', 'cabaret', 'dark cabaret', 'retro']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541226.8099403  (2021-05-09 08:20:26)
                             'size'  3200896