======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '183'
                                          'artist'  'Jimmy Dorsey & His Orchestra & Kitty Kallen'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ("145 They're either too young or too old - Jimmy Dorsey & His Orchestra & "
 'Kitty Kallen (4-12-1943)')
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '145'
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '85.130'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '85.130'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         ("145 They're either too young or too old - Jimmy Dorsey & His Orchestra & "
 'Kitty Kallen (4-12-1943)')
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimmy Dorsey & His Orchestra & Kitty Kallen'
'TRCK' (Track number/Position in set)               '145'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.331901'

========================== row from database ==========================
                                              'id'  1499504
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/145 They_re either too young or too old - Jimmy Dorsey & His Orchestra & Kitty Kallen (4-12-1943).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  183
                                           'genre'  prerock-swing
                                        'filesize'  2943292
                                           'mtime'  1620561848
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop They_re prerock swing
                                      'tag_artist'  Jimmy Dorsey & His Orchestra & Kitty Kallen
                                     'tag_release'  None
                                       'tag_title'  145 They're either too young or too old - Jimmy Dorsey & His Orchestra & Kitty Kallen (4-12-1943)
                                             'bpm'  85.13
                                    'search_title'  '12':17 '145':1 '1943':18 '4':16 '4121943':19 'dorsey':11 'either':5 'his':12 'jimmy':10 'kallen':15 'kitty':14 'old':9 'or':8 'orchestra':13 're':3 'they':2 'theyre':4 'too':6 'young':7
                                   'search_artist'  'dorsey':2 'his':3 'jimmy':1 'kallen':6 'kitty':5 'orchestra':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 're':7 'swing':9 'they':6
                                    'search_combo'  '00oldiepop':30 '12':17A '145':1A '1943':18A '4':16A '4121943':19A 'country':29 'dorsey':11A,21B 'either':5A 'exotica':27 'his':12A,22B 'jazz':26 'jimmy':10A,20B 'kallen':15A,25B 'kitty':14A,24B 'old':9A 'oldies':28 'or':8A 'orchestra':13A,23B 'prerock':33 're':3A,32 'swing':34 'they':2A,31 'theyre':4A 'too':6A 'young':7A
                                    'tag_tracknum'  145
                                      'num_images'  0
                                             'key'  7B
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561847.8996994  (2021-05-09 14:04:07)
                             'size'  2943292