======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '278'
                                          'artist'  'The Alan Parsons Project'
                                     'text_people'  ''
                                         'release'  'Tales Of Mystery And Imagination'
                                           'title'  'The Tell-Tale Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'electronic', 'rock', 'progressive rock', 'classic rock']"
                                     'discogstags'  "['electronic', 'rock', 'art rock', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '125.7'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tales Of Mystery And Imagination'
'TBPM' (BPM (beats per minute))                     '125.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'The Tell-Tale Heart'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Alan Parsons Project'
'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'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'art rock', 'experimental']
'TXXX:lastfmtags'                                   ['80s', 'electronic', 'rock', 'progressive rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.24 dB'
'TXXX:replaygain_track_peak'                        '0.506316'

========================== row from database ==========================
                                              'id'  1414664
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Alan Parsons Project - Alan Parsons Project/Tales Of Mystery And Imagination/03 The Tell-Tale Heart.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  278
                                           'genre'  rock-cppex-progressive
                                        'filesize'  11136489
                                           'mtime'  1620737761
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 03 rock cppex progressive
                                      'tag_artist'  The Alan Parsons Project
                                     'tag_release'  Tales Of Mystery And Imagination
                                       'tag_title'  The Tell-Tale Heart
                                             'bpm'  125.7
                                    'search_title'  'heart':5 'tale':3 'tell':2 'telltale':4 'the':1
                                   'search_artist'  'alan':2 'parsons':3 'project':4 'the':1
                                  'search_release'  'and':4 'imagination':5 'mystery':3 'of':2 'tales':1
                                     'search_rest'  'classicprogpsy':1 'cppex':3 'progressive':4 'rock':2
                                    'search_combo'  'alan':7B 'and':13C 'classicprogpsy':15 'cppex':17 'heart':5A 'imagination':14C 'mystery':12C 'of':11C 'parsons':8B 'progressive':18 'project':9B 'rock':16 'tale':3A 'tales':10C 'tell':2A 'telltale':4A 'the':1A,6B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'electronic', 'rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1976
                                     'discogstags'  ['electronic', 'rock', 'art rock', 'experimental']

============================== file details ==============================
                                           'mtime'  1620737760.9895055  (2021-05-11 14:56:00)
                             'size'  11136489