======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '141'
                                          'artist'  'Rita Hayworth & Jose Ferrer'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "The Heat's On"
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'swing', 'jazz', 'diva', 'feminine cavern of love']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '296'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '94.327'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-352 POS 30'
'COMM:ID3v1 Comment:XXX'                            '54-352 POS 30'
'TBPM' (BPM (beats per minute))                     '94.327'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1954'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Sicherer Modus)'
'TIT2' (Title/songname/content description)         "The Heat's On"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rita Hayworth & Jose Ferrer'
'TRCK' (Track number/Position in set)               '296'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', 'swing', 'jazz', 'diva', 'feminine cavern of love']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.535053'

========================== row from database ==========================
                                              'id'  1517423
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-352 - Rita Hayworth & Jose Ferrer - The Heat_s On.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  141
                                           'genre'  prerock-unsorted
                                        'filesize'  5668736
                                           'mtime'  1620387438
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 352 Heat_s prerock unsorted
                                      'tag_artist'  Rita Hayworth & Jose Ferrer
                                     'tag_release'  None
                                       'tag_title'  The Heat's On
                                             'bpm'  94.327
                                    'search_title'  'heat':2 'heats':4 'on':5 's':3 'the':1
                                   'search_artist'  'ferrer':4 'hayworth':2 'jose':3 'rita':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1954':6 '352':8 '54':7 'country':4 'exotica':2 'heat':9 'jazz':1 'oldies':3 'prerock':11 's':10 'unsorted':12
                                    'search_combo'  '00oldiepop':14 '1954':15 '352':17 '54':16 'country':13 'exotica':11 'ferrer':9B 'hayworth':7B 'heat':2A,18 'heats':4A 'jazz':10 'jose':8B 'oldies':12 'on':5A 'prerock':20 'rita':6B 's':3A,19 'the':1A 'unsorted':21
                                    'tag_tracknum'  296
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['female vocalists', 'swing', 'jazz', 'diva', 'feminine cavern of love']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387438.4291332  (2021-05-07 13:37:18)
                             'size'  5668736