======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '144'
                                          'artist'  'Dick Dale'
                                     'text_people'  ''
                                         'release'  'King Of The Surf Guitar'
                                           'title'  'Mr Peppermint Man'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'instrumental', 'classic rock', 'surf rock', 'rock']"
                                     'discogstags'  "['surf', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '109.468'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'King Of The Surf Guitar'
'TBPM' (BPM (beats per minute))                     '109.468'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Mr Peppermint Man'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Dale'
'TXXX:Q-HAP'                                        '3'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.531558'

========================== row from database ==========================
                                              'id'  1421913
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Dick Dale - King Of The Surf Guitar/Mr Peppermint Man.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  144
                                           'genre'  rock-pop-surf
                                        'filesize'  2312443
                                           'mtime'  1620736927
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner rock pop surf
                                      'tag_artist'  Dick Dale
                                     'tag_release'  King Of The Surf Guitar
                                       'tag_title'  Mr Peppermint Man
                                             'bpm'  109.468
                                    'search_title'  'man':3 'mr':1 'peppermint':2
                                   'search_artist'  'dale':2 'dick':1
                                  'search_release'  'guitar':5 'king':1 'of':2 'surf':4 'the':3
                                     'search_rest'  'garage':2 'pop':6 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  'dale':5B 'dick':4B 'garage':12 'guitar':10C 'king':6C 'man':3A 'mr':1A 'of':7C 'peppermint':2A 'pop':16 'punk':11 'rock':15 'stoner':14 'surf':9C,13 'the':8C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'instrumental', 'classic rock', 'surf rock', 'rock']
                                        'tag_date'  2012
                                     'discogstags'  ['surf', 'rock']

============================== file details ==============================
                                           'mtime'  1620736927.1785612  (2021-05-11 14:42:07)
                             'size'  2312443