======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '198'
                                          'artist'  'Al Bowlly'
                                     'text_people'  ''
                                         'release'  'HMV BD- 857'
                                           'title'  'Make Love With A Guitar & When I Dream Of Home (+ Jimmy Mesene)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['30s', 'oldies', 'jazz', 'pop', '1930s', 'crooner']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-vocal;prerock-jb-jazz-vocal'
                                             'bpm'  '120.758'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'HMV BD- 857'
'TBPM' (BPM (beats per minute))                     '120.758'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-vocal', 'prerock-jb-jazz-vocal']
'TDRC' (Recording time)                             '1940'
'TIT2' (Title/songname/content description)         'Make Love With A Guitar & When I Dream Of Home (+ Jimmy Mesene)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Bowlly'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['30s', 'oldies', 'jazz', 'pop', '1930s', 'crooner']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.58 dB'
'TXXX:replaygain_track_peak'                        '0.494221'

========================== row from database ==========================
                                              'id'  1437623
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1940/Al Bowlly - Make Love With A Guitar + When I Dream Of Home (Jimmy Mesene) 18-7-1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  198
                                           'genre'  prerock-vocal;prerock-jb-jazz-vocal
                                        'filesize'  3980915
                                           'mtime'  1620527049
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1940 (Jimmy 18 1940 prerock vocal;prerock jb jazz vocal
                                      'tag_artist'  Al Bowlly
                                     'tag_release'  HMV BD- 857
                                       'tag_title'  Make Love With A Guitar & When I Dream Of Home (+ Jimmy Mesene)
                                             'bpm'  120.758
                                    'search_title'  'a':4 'dream':8 'guitar':5 'home':10 'i':7 'jimmy':11 'love':2 'make':1 'mesene':12,13 'of':9 'when':6 'with':3
                                   'search_artist'  'al':1 'bowlly':2
                                  'search_release'  '857':4 'bd':2,3 'hmv':1
                                     'search_rest'  '00oldiepop':5 '18':9 '1940':6 'country':4 'exotica':2 'jazz':1 'jb':15 'jimmy':7,8 'oldies':3 'prerock':10,12,14 'vocal':11,13,16
                                    'search_combo'  '00oldiepop':24 '18':28 '1940':25 '857':19C 'a':4A 'al':14B 'bd':17C,18C 'bowlly':15B 'country':23 'dream':8A 'exotica':21 'guitar':5A 'hmv':16C 'home':10A 'i':7A 'jazz':20 'jb':34 'jimmy':11A,26,27 'love':2A 'make':1A 'mesene':12A,13A 'of':9A 'oldies':22 'prerock':29,31,33 'vocal':30,32,35 'when':6A 'with':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['30s', 'oldies', 'jazz', 'pop', '1930s', 'crooner']
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527049.392795  (2021-05-09 04:24:09)
                             'size'  3980915