======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '208'
                                          'artist'  'Jimi Hendrix'
                                     'text_people'  ''
                                         'release'  'The Ultimate Experience'
                                           'title'  'Highway Chile'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']"
                                     'discogstags'  "['rock', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;rock-pop-early-blues;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '139.754'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Ultimate Experience'
'TBPM' (BPM (beats per minute))                     '139.754'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted',
 'rock-pop-early-blues',
 'rock-cppex',
 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Highway Chile'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimi Hendrix'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
'TXXX:original release date'                        ['1993', '1993']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.660861'

========================== row from database ==========================
                                              'id'  1486328
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jimi Hendrix/Jimi Hendrix_/War Heroes/Jimi Hendrix - 02 - Highway Chile.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  208
                                           'genre'  rock-unsorted;rock-pop-early-blues;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  3345303
                                           'mtime'  1635960263
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Hendrix_ War Heroes 02 rock unsorted;rock pop early blues;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Jimi Hendrix
                                     'tag_release'  The Ultimate Experience
                                       'tag_title'  Highway Chile
                                             'bpm'  139.754
                                    'search_title'  'chile':2 'highway':1
                                   'search_artist'  'hendrix':2 'jimi':1
                                  'search_release'  'experience':3 'the':1 'ultimate':2
                                     'search_rest'  'blues':12,14 'classicprogpsy':1 'cppex':16,18,20 'early':11 'hendrix':2 'heroes':4 'pop':10 'psychedelic':21 'rock':5,7,9,13,15,17,19 'unsorted':6,8 'war':3
                                    'search_combo'  'blues':19,21 'chile':2A 'classicprogpsy':8 'cppex':23,25,27 'early':18 'experience':7C 'hendrix':4B,9 'heroes':11 'highway':1A 'jimi':3B 'pop':17 'psychedelic':28 'rock':12,14,16,20,22,24,26 'the':5C 'ultimate':6C 'unsorted':13,15 'war':10
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  4A
                                           '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-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1635960263.179074  (2021-11-03 18:24:23)
                             'size'  3345303