======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '177'
                                          'artist'  'Elton John'
                                     'text_people'  ''
                                         'release'  'Sounds of the 80s'
                                           'title'  'Am Still Standing'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      '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'  '88.670'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sounds of the 80s'
'TBPM' (BPM (beats per minute))                     '88.670'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Am Still Standing'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elton John'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.491794'

========================== row from database ==========================
                                              'id'  1533286
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Sounds Of The 80s (480 songs)/Elton John - Am Still Standing.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  177
                                           'genre'  rock-cppex-classic
                                        'filesize'  2843148
                                           'mtime'  1636039006
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Of The (480 songs) rock cppex classic
                                      'tag_artist'  Elton John
                                     'tag_release'  Sounds of the 80s
                                       'tag_title'  Am Still Standing
                                             'bpm'  88.67
                                    'search_title'  'am':1 'standing':3 'still':2
                                   'search_artist'  'elton':1 'john':2
                                  'search_release'  '80s':4 'of':2 'sounds':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '480':7,8 'classic':13 'cppex':12 'dance':3 'generic':2 'of':5 'rock':11 'songs':9,10 'the':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':10 '480':16,17 '80s':9C 'am':1A 'classic':22 'cppex':21 'dance':12 'elton':4B 'generic':11 'john':5B 'of':7C,14 'rock':20 'songs':18,19 'sounds':6C 'standing':3A 'still':2A 'the':8C,15 'trapbeat':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039006.3225265  (2021-11-04 16:16:46)
                             'size'  2843148