======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '183'
                                          'artist'  'Fred Rich & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'The Man I Love'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'jazz', '20s', 'swing', 'spotify']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '226'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '145.790'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1928 and peaked at #19 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #19'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         'The Man I Love'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fred Rich & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '226'
'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'                                   ['all', 'jazz', '20s', 'swing', 'spotify']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+2.22 dB'
'TXXX:replaygain_track_peak'                        '0.669333'

========================== row from database ==========================
                                              'id'  978005
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_226 - Fred Rich & His Orchestra v Vaughn Deleath - The Man I Love 64 M (3.04).mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  183
                                           'genre'  prerock-swing
                                        'filesize'  1472941
                                           'mtime'  1620562705
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_226 Vaughn Deleath 64 (3.04) prerock swing
                                      'tag_artist'  Fred Rich & His Orchestra
                                     'tag_release'  Billboard 1928
                                       'tag_title'  The Man I Love
                                             'bpm'  145.79
                                    'search_title'  'i':3 'love':4 'man':2 'the':1
                                   'search_artist'  'fred':1 'his':3 'orchestra':4 'rich':2
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '04':11 '1928':5 '226':6 '3':10 '304':12 '64':9 'country':4 'deleath':8 'exotica':2 'jazz':1 'oldies':3 'prerock':13 'swing':14 'vaughn':7
                                    'search_combo'  '04':21 '1928':10C,15 '226':16 '3':20 '304':22 '64':19 'billboard':9C 'country':14 'deleath':18 'exotica':12 'fred':5B 'his':7B 'i':3A 'jazz':11 'love':4A 'man':2A 'oldies':13 'orchestra':8B 'prerock':23 'rich':6B 'swing':24 'the':1A 'vaughn':17
                                    'tag_tracknum'  226
                                      'num_images'  0
                                             'key'  5A
                                           '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-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['all', 'jazz', '20s', 'swing', 'spotify']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562704.8255427  (2021-05-09 14:18:24)
                             'size'  1472941