======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '229'
                                          'artist'  'ron goodwin'
                                     'text_people'  ''
                                         'release'  'The Best of the New Exotic Sounds'
                                           'title'  'return to paradise'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'film music composer', '50s', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '105.532'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\t\x00\x00'                     PRIV(owner='AverageLevel', data=b'{\t\x00\x00')
'PRIV:PeakValue:!E\x00\x00'                         PRIV(owner='PeakValue', data=b'!E\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Best of the New Exotic Sounds'
'TBPM' (BPM (beats per minute))                     '105.532'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'return to paradise'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'ron goodwin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'film music composer', '50s', 'classical']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.540603'
'TXXX:tracknum'                                     '5'

========================== row from database ==========================
                                              'id'  507033
                                            'path'  /data/Music/Bulk/00localcharacter/zenith presents - the best of the new exotic sounds/5 - ron goodwin - return to paradise.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  229
                                           'genre'  loc-unsorted
                                        'filesize'  9176211
                                           'mtime'  1620401808
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter zenith presents best new exotic sounds 5 loc unsorted
                                      'tag_artist'  ron goodwin
                                     'tag_release'  The Best of the New Exotic Sounds
                                       'tag_title'  return to paradise
                                             'bpm'  105.532
                                    'search_title'  'paradise':3 'return':1 'to':2
                                   'search_artist'  'goodwin':2 'ron':1
                                  'search_release'  'best':2 'exotic':5 'new':4 'of':3 'sounds':6 'the':1
                                     'search_rest'  '5':7 'best':3 'exotic':5 'loc':8 'new':4 'presents':2 'sounds':6 'unsorted':9 'zenith':1
                                    'search_combo'  '5':18 'best':7C,14 'exotic':10C,16 'goodwin':5B 'loc':19 'new':9C,15 'of':8C 'paradise':3A 'presents':13 'return':1A 'ron':4B 'sounds':11C,17 'the':6C 'to':2A 'unsorted':20 'zenith':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'film music composer', '50s', 'classical']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401808.1207511  (2021-05-07 17:36:48)
                             'size'  9176211