======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '162'
                                          'artist'  'Billy Vaughn & His Orchestra'
                                     'text_people'  ''
                                         'release'  'AM - Billy Vaughn - The Best of'
                                           'title'  'Cimarron (Roll On)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'swing', 'oldies', 'myhits', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '98.215'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-296 POS 44'
'COMM:ID3v1 Comment:XXX'                            '58-296 POS 44'
'TALB' (Album/Movie/Show title)                     'AM - Billy Vaughn - The Best of'
'TBPM' (BPM (beats per minute))                     '98.215'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Cimarron (Roll On)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Vaughn & His Orchestra'
'TRCK' (Track number/Position in set)               '9'
'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'                                   ['instrumental', 'swing', 'oldies', 'myhits', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.513456'

========================== row from database ==========================
                                              'id'  1430344
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-296 - Billy Vaughn & His Orchestra - Cimarron (Roll On).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  162
                                           'genre'  prerock-swing
                                        'filesize'  6523214
                                           'mtime'  1620562663
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 296 prerock swing
                                      'tag_artist'  Billy Vaughn & His Orchestra
                                     'tag_release'  AM - Billy Vaughn - The Best of
                                       'tag_title'  Cimarron (Roll On)
                                             'bpm'  98.215
                                    'search_title'  'cimarron':1 'on':4,5 'roll':2,3
                                   'search_artist'  'billy':1 'his':3 'orchestra':4 'vaughn':2
                                  'search_release'  'am':1 'best':5 'billy':2 'of':6 'the':4 'vaughn':3
                                     'search_rest'  '00oldiepop':5 '1958':6 '296':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':20 '1958':21 '296':23 '58':22 'am':10C 'best':14C 'billy':6B,11C 'cimarron':1A 'country':19 'exotica':17 'his':8B 'jazz':16 'of':15C 'oldies':18 'on':4A,5A 'orchestra':9B 'prerock':24 'roll':2A,3A 'swing':25 'the':13C 'vaughn':7B,12C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'swing', 'oldies', 'myhits', 'easy listening']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562662.6321046  (2021-05-09 14:17:42)
                             'size'  6523214