======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '190'
                                          'artist'  'Jack Plant'
                                     'text_people'  ''
                                         'release'  'Regal Zonophone MR  794'
                                           'title'  'Try A Little Tenderness (as \x18Velvet Voice’)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', '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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1932'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '106.700'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Regal Zonophone MR  794'
'TBPM' (BPM (beats per minute))                     '106.700'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1932'
'TIT2' (Title/songname/content description)         'Try A Little Tenderness (as \x18Velvet Voice’)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Plant'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.69 dB'
'TXXX:replaygain_track_peak'                        '0.762993'

========================== row from database ==========================
                                              'id'  1439135
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1932/Jack Plant - Try A Little Tenderness (as ‘Velvet Voice’) 21-12-1932.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  190
                                           'genre'  prerock-unsorted
                                        'filesize'  3807026
                                           'mtime'  1621697948
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1932 ‘Velvet 21 12 1932 prerock unsorted
                                      'tag_artist'  Jack Plant
                                     'tag_release'  Regal Zonophone MR  794
                                       'tag_title'  Try A Little Tenderness (as Velvet Voice’)
                                             'bpm'  106.7
                                    'search_title'  'a':2 'as':5,6 'little':3 'tenderness':4 'try':1 'velvet':7 'voice':8,9
                                   'search_artist'  'jack':1 'plant':2
                                  'search_release'  '794':4 'mr':3 'regal':1 'zonophone':2
                                     'search_rest'  '00oldiepop':5 '1932':6 '21':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10 'velvet':7
                                    'search_combo'  '00oldiepop':20 '1932':21 '21':23 '794':15C 'a':2A 'as':5A,6A 'country':19 'exotica':17 'jack':10B 'jazz':16 'little':3A 'mr':14C 'oldies':18 'plant':11B 'prerock':24 'regal':12C 'tenderness':4A 'try':1A 'unsorted':25 'velvet':7A,22 'voice':8A,9A 'zonophone':13C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1932
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697947.510962  (2021-05-22 17:39:07)
                             'size'  3807026