======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '142'
                                          'artist'  'Fejat Sejdic'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Nebojsin Cocek'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['brass', 'balkan', 'serbian folk', 'folk', 'balkan brass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '84.105'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '84.105'
'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)         'Nebojsin Cocek'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fejat Sejdic'
'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'                                   ['brass', 'balkan', 'serbian folk', 'folk', 'balkan brass']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.710636'
'USLT::eng'                                         ' '

========================== row from database ==========================
                                              'id'  761799
                                            'path'  /data/Music/Bulk/00localcharacter/Guća 2006/Fejat Sejdic - Nebojsin Cocek.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  142
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  2275779
                                           'mtime'  1620528533
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Guća 2006 loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Fejat Sejdic
                                     'tag_release'  None
                                       'tag_title'  Nebojsin Cocek
                                             'bpm'  84.105
                                    'search_title'  'cocek':2 'nebojsin':1
                                   'search_artist'  'fejat':1 'sejdic':2
                                  'search_release'  
                                     'search_rest'  '2006':3 'balkan':8 'brass':13 'guca':1,2 'gypsy':6 'klezmer':9,11 'loc':4 'mi':10,12 'or':7 'style':5
                                    'search_combo'  '2006':7 'balkan':12 'brass':17 'cocek':2A 'fejat':3B 'guca':5,6 'gypsy':10 'klezmer':13,15 'loc':8 'mi':14,16 'nebojsin':1A 'or':11 'sejdic':4B 'style':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['brass', 'balkan', 'serbian folk', 'folk', 'balkan brass']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528533.315256  (2021-05-09 04:48:53)
                             'size'  2275779