======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '201'
                                          'artist'  'The Mississippi Sheiks'
                                     'text_people'  ''
                                         'release'  'The World Is Going Wrong'
                                           'title'  'The World Is Going Wrong'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'q-syn-1', 'q-bass-1', "
 "'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['blues', 'delta blues', 'country blues', 'folk', 'classic blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '91.062'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'The World Is Going Wrong'
'TBPM' (BPM (beats per minute))                     '91.062'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'The World Is Going Wrong'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mississippi Sheiks'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'delta blues', 'country blues', 'folk', 'classic blues']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.49 dB'
'TXXX:replaygain_track_peak'                        '0.401917'

========================== row from database ==========================
                                              'id'  682607
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/various artists - the world is going wrong/the mississippi sheiks - the world is going wrong - 01 the world is going wrong.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  201
                                           'genre'  loc-namerica-country
                                        'filesize'  8159993
                                           'mtime'  1621628504
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country various artists the world going wrong the mississippi sheiks the world going wrong 01 the world going wrong loc namerica country
                                      'tag_artist'  The Mississippi Sheiks
                                     'tag_release'  The World Is Going Wrong
                                       'tag_title'  The World Is Going Wrong
                                             'bpm'  91.062
                                    'search_title'  'going':4 'is':3 'the':1 'world':2 'wrong':5
                                   'search_artist'  'mississippi':2 'sheiks':3 'the':1
                                  'search_release'  'going':4 'is':3 'the':1 'world':2 'wrong':5
                                     'search_rest'  'artists':6 'country':4 'exotica':2 'going':9 'jazz':1 'loc':13 'mississippi':11 'namerica':14 'oldies':3 'sheiks':12 'the':7 'various':5 'world':8 'wrong':10
                                    'search_combo'  'artists':19 'country':17 'exotica':15 'going':4A,12C,22 'is':3A,11C 'jazz':14 'loc':26 'mississippi':7B,24 'namerica':27 'oldies':16 'sheiks':8B,25 'the':1A,6B,9C,20 'various':18 'world':2A,10C,21 'wrong':5A,13C,23
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'delta blues', 'country blues', 'folk', 'classic blues']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628503.551038  (2021-05-21 22:21:43)
                             'size'  8159993