======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '155'
                                          'artist'  'Woody Herman & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I Don't Want Nobody (To Have My Love But You)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-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-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'jazz', 'american', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '400'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '128.008'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         "I Don't Want Nobody (To Have My Love But You)"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Woody Herman & His Orchestra'
'TRCK' (Track number/Position in set)               '400'
'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'                                   ['big band', 'jazz', 'american', 'swing']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.543554'

========================== row from database ==========================
                                              'id'  1499317
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-400 - Woody Herman & His Orchestra - I Don_t Want Nobody (To Have My Love But You).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  155
                                           'genre'  prerock-swing
                                        'filesize'  6240128
                                           'mtime'  1620562585
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 400 Don_t prerock swing
                                      'tag_artist'  Woody Herman & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  I Don't Want Nobody (To Have My Love But You)
                                             'bpm'  128.008
                                    'search_title'  'but':12 'don':2 'dont':4 'have':9 'i':1 'love':11 'my':10 'nobody':6 't':3 'to':7,8 'want':5 'you':13,14
                                   'search_artist'  'herman':2 'his':3 'orchestra':4 'woody':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1956':6 '400':7 'country':4 'don':8 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'swing':11 't':9
                                    'search_combo'  '00oldiepop':23 '1956':24 '400':25 'but':12A 'country':22 'don':2A,26 'dont':4A 'exotica':20 'have':9A 'herman':16B 'his':17B 'i':1A 'jazz':19 'love':11A 'my':10A 'nobody':6A 'oldies':21 'orchestra':18B 'prerock':28 'swing':29 't':3A,27 'to':7A,8A 'want':5A 'woody':15B 'you':13A,14A
                                    'tag_tracknum'  400
                                      'num_images'  0
                                             'key'  7B
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', 'american', 'swing']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562584.9210103  (2021-05-09 14:16:24)
                             'size'  6240128