======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '190'
                                          'artist'  'Goran Bregović'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '100 Lat Melodej Parze'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', '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'  "['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '107.549'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '107.549'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         '100 Lat Melodej Parze'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Goran Bregović'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
'TXXX:q-bass'                                       '3'
'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'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.584680'
'USLT::eng'                                         ' '

========================== row from database ==========================
                                              'id'  770967
                                            'path'  /data/Music/Bulk/00localcharacter/Guća 2006/Goran Bregovic - 100 Lat Melodej Parze.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  190
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  3056601
                                           'mtime'  1620528609
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Guća 2006 Bregovic loc style gypsy balkan klezmer;mi brass
                                      'tag_artist'  Goran Bregović
                                     'tag_release'  None
                                       'tag_title'  100 Lat Melodej Parze
                                             'bpm'  107.549
                                    'search_title'  '100':1 'lat':2 'melodej':3 'parze':4
                                   'search_artist'  'bregovic':2,3 'goran':1
                                  'search_release'  
                                     'search_rest'  '2006':3 'balkan':8 'brass':13 'bregovic':4 'guca':1,2 'gypsy':7 'klezmer':9,11 'loc':5 'mi':10,12 'style':6
                                    'search_combo'  '100':1A '2006':10 'balkan':15 'brass':20 'bregovic':6B,7B,11 'goran':5B 'guca':8,9 'gypsy':14 'klezmer':16,18 'lat':2A 'loc':12 'melodej':3A 'mi':17,19 'parze':4A 'style':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528608.9816113  (2021-05-09 04:50:08)
                             'size'  3056601