======================== unified (from filesystem) ========================
                                         'bitrate'  '185.595'
                                        'duration'  '258'
                                          'artist'  'Taraf De Haidouks'
                                     'text_people'  ''
                                         'release'  'The Rough Guide To Romanian Gypsies'
                                           'title'  'Parlapapup (Sa Va Spun De Un Bautor)'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['gypsy', 'balkan', 'folk', 'romanian', 'world']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '91.2'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Rough Guide To Romanian Gypsies'
'TBPM' (BPM (beats per minute))                     '91.2'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Parlapapup (Sa Va Spun De Un Bautor)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Taraf De Haidouks'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['gypsy', 'balkan', 'folk', 'romanian', 'world']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.423860'

========================== row from database ==========================
                                              'id'  725744
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Rough Guide to the Music Of Romanian Gypsies 2008/01. Taraf De Haidouks - Parlapapup (Sa Va Spun De Un Bautor).mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  258
                                           'genre'  loc-unsorted
                                        'filesize'  6004620
                                           'mtime'  1620399972
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm the Music Of 2008 01. loc unsorted
                                      'tag_artist'  Taraf De Haidouks
                                     'tag_release'  The Rough Guide To Romanian Gypsies
                                       'tag_title'  Parlapapup (Sa Va Spun De Un Bautor)
                                             'bpm'  91.2
                                    'search_title'  'bautor':8,9 'de':6 'parlapapup':1 'sa':2,3 'spun':5 'un':7 'va':4
                                   'search_artist'  'de':2 'haidouks':3 'taraf':1
                                  'search_release'  'guide':3 'gypsies':6 'romanian':5 'rough':2 'the':1 'to':4
                                     'search_rest'  '01':5,6 '2008':4 'loc':7 'music':2 'of':3 'the':1 'unsorted':8
                                    'search_combo'  '01':23,24 '2008':22 'bautor':8A,9A 'de':6A,11B 'guide':15C 'gypsies':18C 'haidouks':12B 'loc':25 'music':20 'of':21 'parlapapup':1A 'romanian':17C 'rough':14C 'sa':2A,3A 'spun':5A 'taraf':10B 'the':13C,19 'to':16C 'un':7A 'unsorted':26 'va':4A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['gypsy', 'balkan', 'folk', 'romanian', 'world']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620399971.8519013  (2021-05-07 17:06:11)
                             'size'  6004620