======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '270'
                                          'artist'  'Billy Joel'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "You're Only Human (Second WInd) (single version)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '130.734'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.734'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "You're Only Human (Second WInd) (single version)"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Joel'
'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:lastfmtags'                                   ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
'TXXX:other'                                        'A'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.458383'

========================== row from database ==========================
                                              'id'  1507233
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/208-A Billy Joel - You_re Only Human (Second WInd) (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  270
                                           'genre'  rock-cppex-classic
                                        'filesize'  10835698
                                           'mtime'  1636039023
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 208 A You_re rock cppex classic
                                      'tag_artist'  Billy Joel
                                     'tag_release'  None
                                       'tag_title'  You're Only Human (Second WInd) (single version)
                                             'bpm'  130.734
                                    'search_title'  'human':5 'only':4 're':2 'second':6,7 'single':10,11 'version':12,13 'wind':8,9 'you':1 'youre':3
                                   'search_artist'  'billy':1 'joel':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '208':4 'a':5 'classic':10 'complete':3 'cppex':9 're':7 'rock':8 'you':6
                                    'search_combo'  '00poprockelectronic':16 '1985':17 '208':19 'a':20 'billy':14B 'classic':25 'complete':18 'cppex':24 'human':5A 'joel':15B 'only':4A 're':2A,22 'rock':23 'second':6A,7A 'single':10A,11A 'version':12A,13A 'wind':8A,9A 'you':1A,21 'youre':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039022.5561118  (2021-11-04 16:17:02)
                             'size'  10835698