======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '223'
                                          'artist'  'Vision Divine'
                                     'text_people'  ''
                                         'release'  'Great Metal Covers 5'
                                           'title'  'Take On Me (Aha cover)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['power metal', 'melodic metal', 'metal', 'progressive metal', 'italian']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '113.263'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Great Metal Covers 5'
'TBPM' (BPM (beats per minute))                     '113.263'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TIT2' (Title/songname/content description)         'Take On Me (Aha cover)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Vision Divine'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['power metal', 'melodic metal', 'metal', 'progressive metal', 'italian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.57 dB'
'TXXX:replaygain_track_peak'                        '0.404374'

========================== row from database ==========================
                                              'id'  1301576
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/great metal covers 5 - 18 - vision divine (aha) - take on me.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  223
                                           'genre'  eid-metal
                                        'filesize'  5355067
                                           'mtime'  1620301850
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] great metal covers 18 vision divine (aha) take me eid metal
                                      'tag_artist'  Vision Divine
                                     'tag_release'  Great Metal Covers 5
                                       'tag_title'  Take On Me (Aha cover)
                                             'bpm'  113.263
                                    'search_title'  'aha':4,5 'cover':6,7 'me':3 'on':2 'take':1
                                   'search_artist'  'divine':2 'vision':1
                                  'search_release'  '5':4 'covers':3 'great':1 'metal':2
                                     'search_rest'  '00poprockelectronic':1 '18':10 'aha':13,14 'covers':9 'divine':12 'eid':17 'files':5,6 'great':7 'loose':3,4 'me':16 'metal':8 'take':15 'unsorted':2 'vision':11
                                    'search_combo'  '00poprockelectronic':14 '18':23 '5':13C 'aha':4A,5A,26,27 'cover':6A,7A 'covers':12C,22 'divine':9B,25 'eid':30 'files':18,19 'great':10C,20 'loose':16,17 'me':3A,29 'metal':11C,21 'on':2A 'take':1A,28 'unsorted':15 'vision':8B,24
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['power metal', 'melodic metal', 'metal', 'progressive metal', 'italian']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301850.133967  (2021-05-06 13:50:50)
                             'size'  5355067