======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '182'
                                          'artist'  'Charlie Kunz'
                                     'text_people'  ''
                                         'release'  'Rex  8560'
                                           'title'  'Red Sails In The Sunset (vocal - George Barclay)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '124.775'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rex  8560'
'TBPM' (BPM (beats per minute))                     '124.775'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'Red Sails In The Sunset (vocal - George Barclay)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie Kunz'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.23 dB'
'TXXX:replaygain_track_peak'                        '0.461797'

========================== row from database ==========================
                                              'id'  1431838
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1935/Charlie Kunz - Red Sails In The Sunset (vocal - George Barclay) 1-8-1935.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  182
                                           'genre'  prerock-swing
                                        'filesize'  3657522
                                           'mtime'  1620560689
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1935 1 1935 prerock swing
                                      'tag_artist'  Charlie Kunz
                                     'tag_release'  Rex  8560
                                       'tag_title'  Red Sails In The Sunset (vocal - George Barclay)
                                             'bpm'  124.775
                                    'search_title'  'barclay':9,10 'george':8 'in':3 'red':1 'sails':2 'sunset':5 'the':4 'vocal':6,7
                                   'search_artist'  'charlie':1 'kunz':2
                                  'search_release'  '8560':2 'rex':1
                                     'search_rest'  '00oldiepop':5 '1':7 '1935':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'swing':9
                                    'search_combo'  '00oldiepop':19 '1':21 '1935':20 '8560':14C 'barclay':9A,10A 'charlie':11B 'country':18 'exotica':16 'george':8A 'in':3A 'jazz':15 'kunz':12B 'oldies':17 'prerock':22 'red':1A 'rex':13C 'sails':2A 'sunset':5A 'swing':23 'the':4A 'vocal':6A,7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'american', 'need to rate', 'scrobbled from vinyl', '3 stars']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560688.9054558  (2021-05-09 13:44:48)
                             'size'  3657522