======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '125'
                                          'artist'  'Peggy Lee'
                                     'text_people'  ''
                                         'release'  'Johnny Guitar'
                                           'title'  'Johnny Guitar'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'oldies', 'swing']"
                                     'discogstags'  "['vocal', 'theme', 'pop', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '140.044'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Johnny Guitar'
'TBPM' (BPM (beats per minute))                     '140.044'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Johnny Guitar'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Peggy Lee'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['vocal', 'theme', 'pop', 'stage & screen']
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'oldies', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.447062'

========================== row from database ==========================
                                              'id'  792073
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lee, Peggy/New Folder/Peggy Lee - Johnny Guitar.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  125
                                           'genre'  soundtrack-video
                                        'filesize'  2017958
                                           'mtime'  1620331592
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lee, New Folder soundtrack video
                                      'tag_artist'  Peggy Lee
                                     'tag_release'  Johnny Guitar
                                       'tag_title'  Johnny Guitar
                                             'bpm'  140.044
                                    'search_title'  'guitar':2 'johnny':1
                                   'search_artist'  'lee':2 'peggy':1
                                  'search_release'  'guitar':2 'johnny':1
                                     'search_rest'  'country':4 'exotica':2 'folder':8 'jazz':1 'lee':5,6 'new':7 'oldies':3 'soundtrack':9 'video':10
                                    'search_combo'  'country':10 'exotica':8 'folder':14 'guitar':2A,6C 'jazz':7 'johnny':1A,5C 'lee':4B,11,12 'new':13 'oldies':9 'peggy':3B 'soundtrack':15 'video':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'oldies', 'swing']
                                        'tag_date'  1954
                                     'discogstags'  ['vocal', 'theme', 'pop', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1620331591.6155882  (2021-05-06 22:06:31)
                             'size'  2017958