======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  "Adrian's Ramblers"
                                     'text_people'  ''
                                         'release'  'Brunswick  6889'
                                           'title'  'Better To Love You Dear (vocal - Chick Bullock)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-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-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '115.788'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Brunswick  6889'
'TBPM' (BPM (beats per minute))                     '115.788'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Better To Love You Dear (vocal - Chick Bullock)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               "Adrian's Ramblers"
'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:q-bass'                                       '2'
'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'                        '+3.31 dB'
'TXXX:replaygain_track_peak'                        '0.651455'

========================== row from database ==========================
                                              'id'  1521968
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Adrian_s Ramblers - Better To Love You Dear (vocal - Chick Bullock) 4-5-1934.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3352270
                                           'mtime'  1620526047
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 Adrian_s 4 5 1934 prerock jb jazz unsorted
                                      'tag_artist'  Adrian's Ramblers
                                     'tag_release'  Brunswick  6889
                                       'tag_title'  Better To Love You Dear (vocal - Chick Bullock)
                                             'bpm'  115.788
                                    'search_title'  'better':1 'bullock':9,10 'chick':8 'dear':5 'love':3 'to':2 'vocal':6,7 'you':4
                                   'search_artist'  'adrian':1 'adrians':3 'ramblers':4 's':2
                                  'search_release'  '6889':2 'brunswick':1
                                     'search_rest'  '00oldiepop':5 '1934':6 '4':9 '5':10 'adrian':7 'country':4 'exotica':2 'jazz':1 'jb':12 'oldies':3 'prerock':11 's':8 'unsorted':13
                                    'search_combo'  '00oldiepop':21 '1934':22 '4':25 '5':26 '6889':16C 'adrian':11B,23 'adrians':13B 'better':1A 'brunswick':15C 'bullock':9A,10A 'chick':8A 'country':20 'dear':5A 'exotica':18 'jazz':17 'jb':28 'love':3A 'oldies':19 'prerock':27 'ramblers':14B 's':12B,24 'to':2A 'unsorted':29 'vocal':6A,7A 'you':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526047.2621274  (2021-05-09 04:07:27)
                             'size'  3352270