======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  'The Hilltoppers'
                                     'text_people'  ''
                                         'release'  'P.S. I Love You: The Best of the Hilltoppers'
                                           'title'  "The Joker (That's What They Call Me)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  '["50\'s", \'all\', \'usa\', \'pop\', \'oldies\']'
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '179'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '86.808'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'P.S. I Love You: The Best of the Hilltoppers'
'TBPM' (BPM (beats per minute))                     '86.808'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         "The Joker (That's What They Call Me)"
'TKEY' (Initial key)                                '12A'
'TLEN' (Length)                                     '144546'
'TPE1' (Lead performer(s)/Soloist(s))               'The Hilltoppers'
'TPUB' (Publisher)                                  'Varese'
'TRCK' (Track number/Position in set)               '179'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ["50's", 'all', 'usa', 'pop', 'oldies']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.482607'

========================== row from database ==========================
                                              'id'  1496937
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-179 - The Hilltoppers - The Joker (That_s What They Call Me).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  prerock-vocal
                                        'filesize'  5784099
                                           'mtime'  1621853356
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 179 (That_s prerock vocal
                                      'tag_artist'  The Hilltoppers
                                     'tag_release'  P.S. I Love You: The Best of the Hilltoppers
                                       'tag_title'  The Joker (That's What They Call Me)
                                             'bpm'  86.808
                                    'search_title'  'call':8 'joker':2 'me':9,10 's':4 'that':3 'thats':5 'the':1 'they':7 'what':6
                                   'search_artist'  'hilltoppers':2 'the':1
                                  'search_release'  'best':9 'hilltoppers':11 'i':4 'love':5 'of':10 'p':1 'ps':3 's':2 'the':8 'you':6,7
                                     'search_rest'  '00oldiepop':5 '179':7 '1957':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':12 's':9,11 'that':8,10 'vocal':13
                                    'search_combo'  '00oldiepop':28 '179':30 '1957':29 'best':21C 'call':8A 'country':27 'exotica':25 'hilltoppers':12B,23C 'i':16C 'jazz':24 'joker':2A 'love':17C 'me':9A,10A 'of':22C 'oldies':26 'p':13C 'prerock':35 'ps':15C 's':4A,14C,32,34 'that':3A,31,33 'thats':5A 'the':1A,11B,20C 'they':7A 'vocal':36 'what':6A 'you':18C,19C
                                    'tag_tracknum'  179
                                      'num_images'  0
                                             'key'  12A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ["50's", 'all', 'usa', 'pop', 'oldies']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621853356.4514005  (2021-05-24 12:49:16)
                             'size'  5784099